780 lines
56 KiB
XML
780 lines
56 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<Type Name="AccessDataSource" FullName="System.Web.UI.WebControls.AccessDataSource">
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<TypeSignature Language="C#" Value="public class AccessDataSource : System.Web.UI.WebControls.SqlDataSource" />
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<AssemblyInfo>
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<AssemblyName>System.Web</AssemblyName>
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<AssemblyVersion>2.0.0.0</AssemblyVersion>
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</AssemblyInfo>
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<Base>
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<BaseTypeName>System.Web.UI.WebControls.SqlDataSource</BaseTypeName>
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</Base>
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<Interfaces />
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<Attributes>
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<Attribute>
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<AttributeName>System.Drawing.ToolboxBitmap("")</AttributeName>
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</Attribute>
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<Attribute>
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<AttributeName>System.ComponentModel.Designer("System.Web.UI.Design.WebControls.AccessDataSourceDesigner, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.ComponentModel.Design.IDesigner")</AttributeName>
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</Attribute>
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</Attributes>
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<Docs>
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<since version=".NET 2.0" />
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<remarks>
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<attribution license="cc4" from="Microsoft" modified="false" />
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<para>The <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> class is a data source control that works with Microsoft Access databases. Like its base class, <see cref="T:System.Web.UI.WebControls.SqlDataSource" />, the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control uses SQL queries to perform data retrieval.</para>
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<para>One of the unique characteristics of the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control is that you do not set the <see cref="P:System.Web.UI.WebControls.AccessDataSource.ConnectionString" /> property. All you need to do is set the location of the Access (.mdb) file in the <see cref="P:System.Web.UI.WebControls.AccessDataSource.DataFile" /> property and the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> takes care of the underlying connection to the database. You should place Access databases in the App_Data directory of the Web site and reference them by a relative path (for example, ~/App_Data/Northwind.mdb). This location offers additional security for data files, because they are not served if they are requested directly by the client Web browser.</para>
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<para>The <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> class does not support connecting to Access databases that are protected by a user name or password, because you cannot set the <see cref="P:System.Web.UI.WebControls.AccessDataSource.ConnectionString" /> property. If your Access database is protected by a user name or password, use the <see cref="T:System.Web.UI.WebControls.SqlDataSource" /> control to connect to it so that you can specify a complete connection string.</para>
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<para>You bind data-bound controls to an <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> using the DataSourceID property of the data-bound control. For more information about binding a data-bound control to data source controls, see <format type="text/html"><a href="e41adfff-8fb8-449e-9cd1-9bd49788c5f7">Binding to Data Using a Data Source Control</a></format>.</para>
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<para>Because the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control is specific to only one database product, it always uses the same provider—the <see cref="N:System.Data.OleDb" /> .NET data provider. For this reason, the <see cref="P:System.Web.UI.WebControls.AccessDataSource.ProviderName" /> property is read-only. When using the <see cref="N:System.Data.OleDb" /> provider, the order of the parameters in a parameterized SQL statement is significant; any parameterized SQL queries that you specify in the <see cref="P:System.Web.UI.WebControls.SqlDataSource.SelectCommand" />, <see cref="P:System.Web.UI.WebControls.SqlDataSourceView.UpdateCommand" />, <see cref="P:System.Web.UI.WebControls.SqlDataSourceView.InsertCommand" />, and <see cref="P:System.Web.UI.WebControls.SqlDataSourceView.DeleteCommand" /> properties must match the order of any <see cref="T:System.Web.UI.WebControls.Parameter" /> objects that are in the corresponding parameter collection. If no parameter collection is specified on the <see cref="T:System.Web.UI.WebControls.AccessDataSource" />, the order of parameters that are supplied to these operations must match the order in which they appear in the underlying SQL statement. For more information, see <format type="text/html"><a href="403ff44a-dd0b-484d-968e-dcd1dcd4c295">Using the SqlDataSource and AccessDataSource Controls with Parameters</a></format>.</para>
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<para>The <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control supports the same caching behavior that its base class supports. Use caching to increase the performance of pages that use the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control. For more information about data source caching, see <format type="text/html"><a href="8f534a06-3136-4048-bb2e-6563a8238d15">Caching Data using Data Source Controls</a></format>.</para>
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<para>The following table describes the features of the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control.</para>
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<list type="table">
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<listheader>
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<item>
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<term>
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<para>Capability</para>
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</term>
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<description>
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<para>Requirements</para>
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</description>
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</item>
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</listheader>
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<item>
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<term>
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<para>Sorting</para>
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</term>
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<description>
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<para>Set the <see cref="P:System.Web.UI.WebControls.SqlDataSource.DataSourceMode" /> property to the <see cref="F:System.Web.UI.WebControls.SqlDataSourceMode.DataSet" /> value.</para>
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</description>
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</item>
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<item>
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<term>
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<para>Filtering</para>
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</term>
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<description>
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<para>Set the <see cref="P:System.Web.UI.WebControls.SqlDataSource.FilterExpression" /> property to a filtering expression used to filter the data when the <see cref="M:System.Web.UI.WebControls.SqlDataSource.Select(System.Web.UI.DataSourceSelectArguments)" /> method is called.</para>
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</description>
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</item>
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<item>
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<term>
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<para>Paging</para>
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</term>
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<description>
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<para>The <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> does not support direct paging operations on an Access database. A data-bound control, such as the <see cref="T:System.Web.UI.WebControls.GridView" />, can page over the items returned by the <see cref="T:System.Web.UI.WebControls.AccessDataSource" />, if the <see cref="P:System.Web.UI.WebControls.SqlDataSource.DataSourceMode" /> property is set to the <see cref="F:System.Web.UI.WebControls.SqlDataSourceMode.DataSet" /> value. </para>
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</description>
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</item>
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<item>
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<term>
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<para>Updating</para>
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</term>
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<description>
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<para>Set the <see cref="P:System.Web.UI.WebControls.SqlDataSource.UpdateCommand" /> property to a SQL statement used to update data. This statement is typically parameterized.</para>
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</description>
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</item>
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<item>
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<term>
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<para>Deleting</para>
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</term>
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<description>
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<para>Set the <see cref="P:System.Web.UI.WebControls.SqlDataSource.DeleteCommand" /> property to a SQL statement used to delete data. This statement is typically parameterized.</para>
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</description>
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</item>
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<item>
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<term>
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<para>Inserting</para>
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</term>
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<description>
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<para>Set the <see cref="P:System.Web.UI.WebControls.SqlDataSource.InsertCommand" /> property to a SQL statement used to insert data. This statement is typically parameterized.</para>
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</description>
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</item>
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<item>
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<term>
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<para>Caching</para>
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</term>
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<description>
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<para>Set the <see cref="P:System.Web.UI.WebControls.SqlDataSource.DataSourceMode" /> property to the <see cref="F:System.Web.UI.WebControls.SqlDataSourceMode.DataSet" /> value, the <see cref="P:System.Web.UI.WebControls.SqlDataSource.EnableCaching" /> property to true, and the <see cref="P:System.Web.UI.WebControls.SqlDataSource.CacheDuration" /> and <see cref="P:System.Web.UI.WebControls.SqlDataSource.CacheExpirationPolicy" /> properties according to the caching behavior you want for your cached data.</para>
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</description>
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</item>
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</list>
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<para>As with all data source controls, the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control is associated with a strongly typed data source view class. Just as the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control extends the <see cref="T:System.Web.UI.WebControls.SqlDataSource" /> control, the <see cref="T:System.Web.UI.WebControls.AccessDataSourceView" /> class extends the <see cref="T:System.Web.UI.WebControls.SqlDataSourceView" /> class. The <see cref="T:System.Web.UI.WebControls.AccessDataSourceView" /> class overrides a few of the <see cref="T:System.Web.UI.WebControls.SqlDataSourceView" /> methods to use the <see cref="N:System.Data.OleDb" /> .NET data provider.</para>
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<para>There is no visual rendering of the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control; it is implemented as a control to enable declarative persistence and to permit, optionally, participation in state management. As a result, you cannot set properties that support visual features, such as the <see cref="P:System.Web.UI.DataSourceControl.EnableTheming" /> and <see cref="P:System.Web.UI.DataSourceControl.SkinID" /> properties.</para>
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<format type="text/html">
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<a href="#DeclarativeSyntax" />
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</format>
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<format type="text/html">
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<h2>Declarative Syntax</h2>
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</format>
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<code><asp:AccessDataSource
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CacheDuration="string|<codeFeaturedElement>Infinite</codeFeaturedElement>"
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CacheExpirationPolicy="<codeFeaturedElement>Absolute</codeFeaturedElement>|Sliding"
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CacheKeyDependency="string"
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CancelSelectOnNullParameter="<codeFeaturedElement>True</codeFeaturedElement>|False"
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ConflictDetection="<codeFeaturedElement>OverwriteChanges</codeFeaturedElement>|CompareAllValues"
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DataFile="uri"
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DataSourceMode="DataReader|<codeFeaturedElement>DataSet</codeFeaturedElement>"
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DeleteCommand="string"
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DeleteCommandType="<codeFeaturedElement>Text</codeFeaturedElement>|StoredProcedure"
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EnableCaching="True|<codeFeaturedElement>False</codeFeaturedElement>"
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EnableTheming="True|<codeFeaturedElement>False</codeFeaturedElement>"
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EnableViewState="<codeFeaturedElement>True</codeFeaturedElement>|False"
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FilterExpression="string"
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ID="string"
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InsertCommand="string"
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InsertCommandType="<codeFeaturedElement>Text</codeFeaturedElement>|StoredProcedure"
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OldValuesParameterFormatString="string"
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OnDataBinding="DataBinding event handler"
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OnDeleted="Deleted event handler"
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OnDeleting="Deleting event handler"
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OnDisposed="Disposed event handler"
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OnFiltering="Filtering event handler"
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OnInit="Init event handler"
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OnInserted="Inserted event handler"
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OnInserting="Inserting event handler"
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OnLoad="Load event handler"
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OnPreRender="PreRender event handler"
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OnSelected="Selected event handler"
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OnSelecting="Selecting event handler"
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OnUnload="Unload event handler"
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OnUpdated="Updated event handler"
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OnUpdating="Updating event handler"
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runat="server"
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SelectCommand="string"
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SelectCommandType="<codeFeaturedElement>Text</codeFeaturedElement>|StoredProcedure"
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SkinID="string"
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SortParameterName="string"
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UpdateCommand="string"
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UpdateCommandType="<codeFeaturedElement>Text</codeFeaturedElement>|StoredProcedure"
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Visible="True|<codeFeaturedElement>False</codeFeaturedElement>"
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>
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<DeleteParameters>
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<asp:ControlParameter
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ControlID="string"
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|
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ReturnValue"
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Name="string"
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PropertyName="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:CookieParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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CookieName="string"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|
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ReturnValue"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:FormParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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FormField="string"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:Parameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64
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|Single|Double|Decimal|DateTime|String"
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/>
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<asp:ProfileParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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PropertyName="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:QueryStringParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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QueryStringField="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:SessionParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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SessionField="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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</DeleteParameters>
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<FilterParameters>
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<asp:ControlParameter
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ControlID="string"
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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PropertyName="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:CookieParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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CookieName="string"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:FormParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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FormField="string"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:Parameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:ProfileParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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PropertyName="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:QueryStringParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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QueryStringField="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:SessionParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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SessionField="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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</FilterParameters>
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<InsertParameters>
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<asp:ControlParameter
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ControlID="string"
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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PropertyName="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:CookieParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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CookieName="string"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:FormParameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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FormField="string"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:Parameter
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ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
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DefaultValue="string"
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Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
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Name="string"
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Size="integer"
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Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
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Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
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Single|Double|Decimal|DateTime|String"
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/>
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<asp:ProfileParameter
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||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
PropertyName="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:QueryStringParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
QueryStringField="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:SessionParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
SessionField="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
</InsertParameters>
|
||
<SelectParameters>
|
||
<asp:ControlParameter
|
||
ControlID="string"
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
PropertyName="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:CookieParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
CookieName="string"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:FormParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
FormField="string"
|
||
Name="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:Parameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:ProfileParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
PropertyName="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:QueryStringParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
QueryStringField="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:SessionParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
SessionField="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
</SelectParameters>
|
||
<UpdateParameters>
|
||
<asp:ControlParameter
|
||
ControlID="string"
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
PropertyName="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:CookieParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
CookieName="string"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:FormParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
FormField="string"
|
||
Name="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:Parameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:ProfileParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
PropertyName="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:QueryStringParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
QueryStringField="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
<asp:SessionParameter
|
||
ConvertEmptyStringToNull="<codeFeaturedElement>True</codeFeaturedElement>|False"
|
||
DefaultValue="string"
|
||
Direction="<codeFeaturedElement>Input</codeFeaturedElement>|Output|InputOutput|ReturnValue"
|
||
Name="string"
|
||
SessionField="string"
|
||
Size="integer"
|
||
Type="<codeFeaturedElement>Empty</codeFeaturedElement>|Object|DBNull|Boolean|Char|SByte|
|
||
Byte|Int16|UInt16|Int32|UInt32|Int64|UInt64|
|
||
Single|Double|Decimal|DateTime|String"
|
||
/>
|
||
</UpdateParameters>
|
||
</asp:AccessDataSource></code>
|
||
</remarks>
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Represents a Microsoft Access database for use with data-bound controls.</para>
|
||
</summary>
|
||
</Docs>
|
||
<Members>
|
||
<Member MemberName=".ctor">
|
||
<MemberSignature Language="C#" Value="public AccessDataSource ();" />
|
||
<MemberType>Constructor</MemberType>
|
||
<Parameters />
|
||
<Docs>
|
||
<remarks>To be added.</remarks>
|
||
<since version=".NET 2.0" />
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Initializes a new instance of the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> class.</para>
|
||
</summary>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
<Member MemberName=".ctor">
|
||
<MemberSignature Language="C#" Value="public AccessDataSource (string dataFile, string selectCommand);" />
|
||
<MemberType>Constructor</MemberType>
|
||
<Parameters>
|
||
<Parameter Name="dataFile" Type="System.String" />
|
||
<Parameter Name="selectCommand" Type="System.String" />
|
||
</Parameters>
|
||
<Docs>
|
||
<remarks>To be added.</remarks>
|
||
<since version=".NET 2.0" />
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Initializes a new instance of the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> class with the specified data file path and <system>Select</system> command.</para>
|
||
</summary>
|
||
<param name="dataFile">
|
||
<attribution license="cc4" from="Microsoft" modified="false" />The location of the Access .mdb file. The location can be relative to the current Web form's folder, an absolute physical path, or a virtual path.</param>
|
||
<param name="selectCommand">
|
||
<attribution license="cc4" from="Microsoft" modified="false" />The SQL query used to retrieve data from the Access database. If the SQL query is a parameterized SQL string, add <see cref="T:System.Web.UI.WebControls.Parameter" /> objects to the <see cref="P:System.Web.UI.WebControls.SqlDataSource.SelectParameters" /> collection. </param>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
<Member MemberName="ConnectionString">
|
||
<MemberSignature Language="C#" Value="public override string ConnectionString { set; get; }" />
|
||
<MemberType>Property</MemberType>
|
||
<Attributes>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Hidden)</AttributeName>
|
||
</Attribute>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.Browsable(false)</AttributeName>
|
||
</Attribute>
|
||
</Attributes>
|
||
<ReturnValue>
|
||
<ReturnType>System.String</ReturnType>
|
||
</ReturnValue>
|
||
<Docs>
|
||
<value>To be added.</value>
|
||
<since version=".NET 2.0" />
|
||
<remarks>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>The <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control can be used only with the <see cref="N:System.Data.OleDb" /> .NET data provider, and the connection string that <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> uses is specific to this provider. Therefore, the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control exposes connection string settings, such as the <see cref="P:System.Web.UI.WebControls.AccessDataSource.DataFile" /> property, as a property and constructs a connection string at run time using the values of the <see cref="P:System.Web.UI.WebControls.AccessDataSource.ConnectionString" /> property, if set.</para>
|
||
</remarks>
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Gets the connection string that is used to connect to the Microsoft Access database.</para>
|
||
</summary>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
<Member MemberName="CreateDataSourceView">
|
||
<MemberSignature Language="C#" Value="protected override System.Web.UI.WebControls.SqlDataSourceView CreateDataSourceView (string viewName);" />
|
||
<MemberType>Method</MemberType>
|
||
<ReturnValue>
|
||
<ReturnType>System.Web.UI.WebControls.SqlDataSourceView</ReturnType>
|
||
</ReturnValue>
|
||
<Parameters>
|
||
<Parameter Name="viewName" Type="System.String" />
|
||
</Parameters>
|
||
<Docs>
|
||
<since version=".NET 2.0" />
|
||
<remarks>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Classes that derive from the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> class can override the <see cref="M:System.Web.UI.WebControls.AccessDataSource.CreateDataSourceView(System.String)" /> method to return strongly typed data source view objects.</para>
|
||
</remarks>
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Creates a data source view object that is associated with the data source control.</para>
|
||
</summary>
|
||
<returns>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>An <see cref="T:System.Web.UI.WebControls.AccessDataSourceView" /> object that is associated with the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> instance.</para>
|
||
</returns>
|
||
<param name="viewName">
|
||
<attribution license="cc4" from="Microsoft" modified="false" />The name of the data source view.</param>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
<Member MemberName="DataFile">
|
||
<MemberSignature Language="C#" Value="public string DataFile { set; get; }" />
|
||
<MemberType>Property</MemberType>
|
||
<Attributes>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.Editor("System.Web.UI.Design.MdbDataFileEditor, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")</AttributeName>
|
||
</Attribute>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.DefaultValue("")</AttributeName>
|
||
</Attribute>
|
||
<Attribute>
|
||
<AttributeName>System.Web.UI.UrlProperty</AttributeName>
|
||
</Attribute>
|
||
</Attributes>
|
||
<ReturnValue>
|
||
<ReturnType>System.String</ReturnType>
|
||
</ReturnValue>
|
||
<Docs>
|
||
<value>To be added.</value>
|
||
<since version=".NET 2.0" />
|
||
<remarks>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>The <see cref="P:System.Web.UI.WebControls.AccessDataSource.DataFile" /> property is a virtual, absolute, or UNC directory path to the Access .mdb file that the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control represents. If only the name of the file is entered, this indicates that the .mdb file is found in the same directory as the currently executing Web Forms page or code. Relative paths with both forward and backward slashes are supported. For example, "./test/test/Northwind.mdb" maps to the same path as ".\test\test\Northwind.mdb" and "test/test/Northwind.mdb". UNC paths, such as "\\mymachine\somedatadirectory\Northwind.mdb", are also supported. Although absolute physical paths are supported, you should avoid using them because they can complicate deployment.</para>
|
||
<format type="text/html">
|
||
<h2>Configuring Permissions for an Access Database</h2>
|
||
</format>
|
||
<para>An important aspect of working with an Access .mdb file is to configure permissions properly. When a Web application uses an Access database, the application must have Read permission to the .mdb file so that it can access the data. In addition, the application must have Write permission to the folder containing the .mdb file. Write permission is required because Access creates an additional file with the extension .ldb in which it maintains information about database locks for concurrent users. The .ldb file is created at run time.</para>
|
||
<para>By default, ASP.NET Web applications run in the context of a local machine account called ASPNET (for Microsoft Windows 2000 and Microsoft Windows XP), or in the context of the NETWORK SERVICE account (for Microsoft Windows Server 2003). For example, for Windows 2000 or Windows XP, if the Web server is named MyServer, ASP.NET applications on the MyServer computer run in the context of the local account MyServer\ASPNET.</para>
|
||
<para>Therefore, to use an Access database in an ASP.NET Web application, you must configure the folder containing the Access database to have both Read and Write permissions.</para>
|
||
<para>When you create a Web site in the Microsoft Visual Web Developer Web development tool, Visual Web Developer creates a folder named App_Data below the current root folder. The folder is designed to be a store for application data, including Access databases. The App_Data folder is also used by ASP.NET to store databases that the system maintains, such as the database for membership and roles. When Visual Web Developer creates the App_Data folder, it grants Read and Write permissions for the folder to the ASPNET or NETWORK SERVICE user account.</para>
|
||
<block subset="none" type="note">
|
||
<para>As a security measure, Visual Web Developer also configures the App_Data folder so that files in the folder are not served by the Web server. Do not store any Web pages in the App_Data folder, because users will see an error if they request a page from that folder.</para>
|
||
</block>
|
||
</remarks>
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Gets or sets the location of the Microsoft Access .mdb file.</para>
|
||
</summary>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
<Member MemberName="GetDbProviderFactory">
|
||
<MemberSignature Language="C#" Value="protected override System.Data.Common.DbProviderFactory GetDbProviderFactory ();" />
|
||
<MemberType>Method</MemberType>
|
||
<ReturnValue>
|
||
<ReturnType>System.Data.Common.DbProviderFactory</ReturnType>
|
||
</ReturnValue>
|
||
<Parameters />
|
||
<Docs>
|
||
<remarks>To be added.</remarks>
|
||
<since version=".NET 2.0" />
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Retrieves a <see cref="T:System.Data.Common.DbProviderFactory" /> object that is associated with the .NET data provider that is identified by the <see cref="P:System.Web.UI.WebControls.SqlDataSource.ProviderName" /> property.</para>
|
||
</summary>
|
||
<returns>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>An <see cref="T:System.Data.OleDb.OleDbFactory" /> object.</para>
|
||
</returns>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
<Member MemberName="ProviderName">
|
||
<MemberSignature Language="C#" Value="public override string ProviderName { set; get; }" />
|
||
<MemberType>Property</MemberType>
|
||
<Attributes>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Hidden)</AttributeName>
|
||
</Attribute>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.Browsable(false)</AttributeName>
|
||
</Attribute>
|
||
</Attributes>
|
||
<ReturnValue>
|
||
<ReturnType>System.String</ReturnType>
|
||
</ReturnValue>
|
||
<Docs>
|
||
<value>To be added.</value>
|
||
<since version=".NET 2.0" />
|
||
<remarks>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>While the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control exposes the <see cref="P:System.Web.UI.WebControls.SqlDataSource.ProviderName" /> property because it is inherited from its base class, attempting to set the <see cref="P:System.Web.UI.WebControls.AccessDataSource.ProviderName" /> property results in a <see cref="T:System.NotSupportedException" /> exception.</para>
|
||
</remarks>
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>Gets the name of the .NET data provider that the <see cref="T:System.Web.UI.WebControls.AccessDataSource" /> control uses to connect to a Microsoft Access database.</para>
|
||
</summary>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
<Member MemberName="SqlCacheDependency">
|
||
<MemberSignature Language="C#" Value="public override string SqlCacheDependency { set; get; }" />
|
||
<MemberType>Property</MemberType>
|
||
<Attributes>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.Browsable(false)</AttributeName>
|
||
</Attribute>
|
||
<Attribute>
|
||
<AttributeName>System.ComponentModel.DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Hidden)</AttributeName>
|
||
</Attribute>
|
||
</Attributes>
|
||
<ReturnValue>
|
||
<ReturnType>System.String</ReturnType>
|
||
</ReturnValue>
|
||
<Docs>
|
||
<value>To be added.</value>
|
||
<since version=".NET 2.0" />
|
||
<remarks>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>In the base class, <see cref="T:System.Web.UI.WebControls.SqlDataSource" />, the <see cref="P:System.Web.UI.WebControls.AccessDataSource.SqlCacheDependency" /> property gets or sets a semicolon-delimited string that indicates which databases and tables to use for the Microsoft SQL Server cache dependency. Cache dependency is not supported by Microsoft Access, and any access to the <see cref="P:System.Web.UI.WebControls.AccessDataSource.SqlCacheDependency" /> property results in a <see cref="T:System.NotSupportedException" /> exception.</para>
|
||
</remarks>
|
||
<summary>
|
||
<attribution license="cc4" from="Microsoft" modified="false" />
|
||
<para>The <see cref="P:System.Web.UI.WebControls.AccessDataSource.SqlCacheDependency" /> property overrides the <see cref="P:System.Web.UI.WebControls.SqlDataSource.SqlCacheDependency" /> property.</para>
|
||
</summary>
|
||
</Docs>
|
||
<AssemblyInfo>
|
||
<AssemblyVersion>2.0.0.0</AssemblyVersion>
|
||
</AssemblyInfo>
|
||
</Member>
|
||
</Members>
|
||
</Type> |