917 lines
30 KiB
C#
917 lines
30 KiB
C#
//
|
|
// System.Web.UI.WebControls.SqlDataSourceView
|
|
//
|
|
// Authors:
|
|
// Ben Maurer (bmaurer@users.sourceforge.net)
|
|
// Sanjay Gupta (gsanjay@novell.com)
|
|
//
|
|
// (C) 2003 Ben Maurer
|
|
// (C) Novell, Inc. (http://www.novell.com)
|
|
//
|
|
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining
|
|
// a copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
|
// permit persons to whom the Software is furnished to do so, subject to
|
|
// the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
using System.Collections;
|
|
using System.Collections.Specialized;
|
|
using System.Text;
|
|
using System.Data;
|
|
using System.ComponentModel;
|
|
using System.Data.Common;
|
|
|
|
namespace System.Web.UI.WebControls {
|
|
public class SqlDataSourceView : DataSourceView, IStateManager {
|
|
|
|
HttpContext context;
|
|
DbProviderFactory factory;
|
|
DbConnection connection;
|
|
|
|
public SqlDataSourceView (SqlDataSource owner, string name, HttpContext context)
|
|
: base (owner, name)
|
|
{
|
|
this.owner = owner;
|
|
this.name = name;
|
|
this.context = context;
|
|
}
|
|
|
|
void InitConnection ()
|
|
{
|
|
if (factory == null) factory = owner.GetDbProviderFactoryInternal ();
|
|
if (connection == null) {
|
|
connection = factory.CreateConnection ();
|
|
connection.ConnectionString = owner.ConnectionString;
|
|
}
|
|
}
|
|
|
|
public int Delete (IDictionary keys, IDictionary oldValues)
|
|
{
|
|
return ExecuteDelete (keys, oldValues);
|
|
}
|
|
|
|
protected override int ExecuteDelete (IDictionary keys, IDictionary oldValues)
|
|
{
|
|
if (!CanDelete)
|
|
throw new NotSupportedException("Delete operation is not supported");
|
|
if (oldValues == null && ConflictDetection == ConflictOptions.CompareAllValues)
|
|
throw new InvalidOperationException ("oldValues parameters should be specified when ConflictOptions is set to CompareAllValues");
|
|
|
|
InitConnection ();
|
|
|
|
DbCommand command = factory.CreateCommand ();
|
|
command.CommandText = DeleteCommand;
|
|
command.Connection = connection;
|
|
if (DeleteCommandType == SqlDataSourceCommandType.Text)
|
|
command.CommandType = CommandType.Text;
|
|
else
|
|
command.CommandType = CommandType.StoredProcedure;
|
|
|
|
IDictionary oldDataValues;
|
|
if (ConflictDetection == ConflictOptions.CompareAllValues) {
|
|
oldDataValues = new Hashtable ();
|
|
if (keys != null) {
|
|
foreach (DictionaryEntry de in keys)
|
|
oldDataValues [de.Key] = de.Value;
|
|
}
|
|
if (oldValues != null) {
|
|
foreach (DictionaryEntry de in oldValues)
|
|
oldDataValues [de.Key] = de.Value;
|
|
}
|
|
}
|
|
else
|
|
oldDataValues = keys;
|
|
|
|
InitializeParameters (command, DeleteParameters, null, oldDataValues, true);
|
|
|
|
SqlDataSourceCommandEventArgs args = new SqlDataSourceCommandEventArgs (command);
|
|
OnDeleting (args);
|
|
if (args.Cancel)
|
|
return -1;
|
|
|
|
bool closed = connection.State == ConnectionState.Closed;
|
|
|
|
if (closed)
|
|
connection.Open();
|
|
Exception exception = null;
|
|
int result = -1;;
|
|
try {
|
|
result = command.ExecuteNonQuery();
|
|
} catch (Exception e) {
|
|
exception = e;
|
|
}
|
|
|
|
if (closed)
|
|
connection.Close ();
|
|
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
|
|
SqlDataSourceStatusEventArgs deletedArgs =
|
|
new SqlDataSourceStatusEventArgs (command, result, exception);
|
|
OnDeleted (deletedArgs);
|
|
|
|
if (exception != null && !deletedArgs.ExceptionHandled)
|
|
throw exception;
|
|
|
|
return result;
|
|
}
|
|
|
|
public int Insert (IDictionary values)
|
|
{
|
|
return ExecuteInsert (values);
|
|
}
|
|
|
|
protected override int ExecuteInsert (IDictionary values)
|
|
{
|
|
if (!CanInsert)
|
|
throw new NotSupportedException ("Insert operation is not supported");
|
|
|
|
InitConnection ();
|
|
|
|
DbCommand command = factory.CreateCommand ();
|
|
command.CommandText = InsertCommand;
|
|
command.Connection = connection;
|
|
if (InsertCommandType == SqlDataSourceCommandType.Text)
|
|
command.CommandType = CommandType.Text;
|
|
else
|
|
command.CommandType = CommandType.StoredProcedure;
|
|
|
|
InitializeParameters (command, InsertParameters, values, null, false);
|
|
|
|
SqlDataSourceCommandEventArgs args = new SqlDataSourceCommandEventArgs (command);
|
|
OnInserting (args);
|
|
if (args.Cancel)
|
|
return -1;
|
|
|
|
bool closed = connection.State == ConnectionState.Closed;
|
|
if (closed)
|
|
connection.Open ();
|
|
Exception exception = null;
|
|
int result = -1;
|
|
try {
|
|
result = command.ExecuteNonQuery ();
|
|
}
|
|
catch (Exception e) {
|
|
exception = e;
|
|
}
|
|
|
|
if (closed)
|
|
connection.Close ();
|
|
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
|
|
OnInserted (new SqlDataSourceStatusEventArgs (command, result, exception));
|
|
|
|
if (exception != null)
|
|
throw exception;
|
|
return result;
|
|
}
|
|
|
|
public IEnumerable Select (DataSourceSelectArguments arguments)
|
|
{
|
|
return ExecuteSelect (arguments);
|
|
}
|
|
|
|
protected internal override IEnumerable ExecuteSelect (DataSourceSelectArguments arguments)
|
|
{
|
|
if (SortParameterName.Length > 0 && SelectCommandType == SqlDataSourceCommandType.Text)
|
|
throw new NotSupportedException ("The SortParameterName property is only supported with stored procedure commands in SqlDataSource");
|
|
|
|
if (arguments.SortExpression.Length > 0 && owner.DataSourceMode == SqlDataSourceMode.DataReader)
|
|
throw new NotSupportedException ("SqlDataSource cannot sort. Set DataSourceMode to DataSet to enable sorting.");
|
|
|
|
if (arguments.StartRowIndex > 0 || arguments.MaximumRows > 0)
|
|
throw new NotSupportedException ("SqlDataSource does not have paging enabled. Set the DataSourceMode to DataSet to enable paging.");
|
|
|
|
if (FilterExpression.Length > 0 && owner.DataSourceMode == SqlDataSourceMode.DataReader)
|
|
throw new NotSupportedException ("SqlDataSource only supports filtering when the data source's DataSourceMode is set to DataSet.");
|
|
|
|
InitConnection ();
|
|
|
|
DbCommand command = factory.CreateCommand ();
|
|
command.CommandText = SelectCommand;
|
|
command.Connection = connection;
|
|
if (SelectCommandType == SqlDataSourceCommandType.Text)
|
|
command.CommandType = CommandType.Text;
|
|
else {
|
|
command.CommandType = CommandType.StoredProcedure;
|
|
if (SortParameterName.Length > 0 && arguments.SortExpression.Length > 0)
|
|
command.Parameters.Add (CreateDbParameter (SortParameterName, arguments.SortExpression));
|
|
}
|
|
|
|
if (SelectParameters.Count > 0)
|
|
InitializeParameters (command, SelectParameters, null, null, false);
|
|
|
|
Exception exception = null;
|
|
if (owner.DataSourceMode == SqlDataSourceMode.DataSet) {
|
|
DataView dataView = null;
|
|
|
|
if (owner.EnableCaching)
|
|
dataView = (DataView) owner.Cache.GetCachedObject (SelectCommand, SelectParameters);
|
|
|
|
if (dataView == null) {
|
|
SqlDataSourceSelectingEventArgs selectingArgs = new SqlDataSourceSelectingEventArgs (command, arguments);
|
|
OnSelecting (selectingArgs);
|
|
if (selectingArgs.Cancel || !PrepareNullParameters (command, CancelSelectOnNullParameter)) {
|
|
return null;
|
|
}
|
|
try {
|
|
DbDataAdapter adapter = factory.CreateDataAdapter ();
|
|
DataSet dataset = new DataSet ();
|
|
|
|
adapter.SelectCommand = command;
|
|
adapter.Fill (dataset, name);
|
|
|
|
dataView = dataset.Tables [0].DefaultView;
|
|
if (dataView == null)
|
|
throw new InvalidOperationException ();
|
|
}
|
|
catch (Exception e) {
|
|
exception = e;
|
|
}
|
|
int rowsAffected = (dataView == null) ? 0 : dataView.Count;
|
|
SqlDataSourceStatusEventArgs selectedArgs = new SqlDataSourceStatusEventArgs (command, rowsAffected, exception);
|
|
OnSelected (selectedArgs);
|
|
|
|
if (exception != null && !selectedArgs.ExceptionHandled)
|
|
throw exception;
|
|
|
|
if (owner.EnableCaching)
|
|
owner.Cache.SetCachedObject (SelectCommand, selectParameters, dataView);
|
|
}
|
|
|
|
if (SortParameterName.Length == 0 || SelectCommandType == SqlDataSourceCommandType.Text)
|
|
dataView.Sort = arguments.SortExpression;
|
|
|
|
if (FilterExpression.Length > 0) {
|
|
IOrderedDictionary fparams = FilterParameters.GetValues (context, owner);
|
|
SqlDataSourceFilteringEventArgs fargs = new SqlDataSourceFilteringEventArgs (fparams);
|
|
OnFiltering (fargs);
|
|
if (!fargs.Cancel) {
|
|
object [] formatValues = new object [fparams.Count];
|
|
for (int n = 0; n < formatValues.Length; n++) {
|
|
formatValues [n] = fparams [n];
|
|
if (formatValues [n] == null) return dataView;
|
|
}
|
|
dataView.RowFilter = string.Format (FilterExpression, formatValues);
|
|
}
|
|
}
|
|
|
|
return dataView;
|
|
}
|
|
else {
|
|
SqlDataSourceSelectingEventArgs selectingArgs = new SqlDataSourceSelectingEventArgs (command, arguments);
|
|
OnSelecting (selectingArgs);
|
|
if (selectingArgs.Cancel || !PrepareNullParameters (command, CancelSelectOnNullParameter)) {
|
|
return null;
|
|
}
|
|
|
|
DbDataReader reader = null;
|
|
bool closed = connection.State == ConnectionState.Closed;
|
|
|
|
if (closed)
|
|
connection.Open ();
|
|
try {
|
|
reader = command.ExecuteReader (closed ? CommandBehavior.CloseConnection : CommandBehavior.Default);
|
|
}
|
|
catch (Exception e) {
|
|
exception = e;
|
|
}
|
|
int rows = reader == null ? 0 : reader.RecordsAffected;
|
|
SqlDataSourceStatusEventArgs selectedArgs = new SqlDataSourceStatusEventArgs (command, rows, exception);
|
|
OnSelected (selectedArgs);
|
|
if (exception != null && !selectedArgs.ExceptionHandled)
|
|
throw exception;
|
|
|
|
return reader;
|
|
}
|
|
}
|
|
|
|
static bool PrepareNullParameters (DbCommand command, bool cancelIfHas)
|
|
{
|
|
for (int i = 0; i < command.Parameters.Count; i++) {
|
|
DbParameter param = command.Parameters [i];
|
|
if (param.Value == null && ((param.Direction & ParameterDirection.Input) != 0)) {
|
|
if (cancelIfHas)
|
|
return false;
|
|
else
|
|
param.Value = DBNull.Value;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public int Update (IDictionary keys, IDictionary values, IDictionary oldValues)
|
|
{
|
|
return ExecuteUpdate (keys, values, oldValues);
|
|
}
|
|
|
|
protected override int ExecuteUpdate (IDictionary keys, IDictionary values, IDictionary oldValues)
|
|
{
|
|
if (!CanUpdate)
|
|
throw new NotSupportedException ("Update operation is not supported");
|
|
if (oldValues == null && ConflictDetection == ConflictOptions.CompareAllValues)
|
|
throw new InvalidOperationException ("oldValues parameters should be specified when ConflictOptions is set to CompareAllValues");
|
|
|
|
InitConnection ();
|
|
|
|
DbCommand command = factory.CreateCommand ();
|
|
command.CommandText = UpdateCommand;
|
|
command.Connection = connection;
|
|
if (UpdateCommandType == SqlDataSourceCommandType.Text)
|
|
command.CommandType = CommandType.Text;
|
|
else
|
|
command.CommandType = CommandType.StoredProcedure;
|
|
|
|
IDictionary oldDataValues;
|
|
if (ConflictDetection == ConflictOptions.CompareAllValues) {
|
|
oldDataValues = new OrderedDictionary ();
|
|
if (keys != null) {
|
|
foreach (DictionaryEntry de in keys)
|
|
oldDataValues [de.Key] = de.Value;
|
|
}
|
|
if (oldValues != null) {
|
|
foreach (DictionaryEntry de in oldValues)
|
|
oldDataValues [de.Key] = de.Value;
|
|
}
|
|
}
|
|
else {
|
|
oldDataValues = keys;
|
|
}
|
|
|
|
IDictionary dataValues = values;
|
|
|
|
InitializeParameters (command, UpdateParameters, dataValues, oldDataValues, ConflictDetection == ConflictOptions.OverwriteChanges);
|
|
|
|
SqlDataSourceCommandEventArgs args = new SqlDataSourceCommandEventArgs (command);
|
|
OnUpdating (args);
|
|
if (args.Cancel)
|
|
return -1;
|
|
|
|
bool closed = connection.State == ConnectionState.Closed;
|
|
if (closed)
|
|
connection.Open ();
|
|
Exception exception = null;
|
|
int result = -1;
|
|
try {
|
|
result = command.ExecuteNonQuery ();
|
|
}
|
|
catch (Exception e) {
|
|
exception = e;
|
|
}
|
|
|
|
if (closed)
|
|
connection.Close ();
|
|
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
|
|
SqlDataSourceStatusEventArgs updatedArgs =
|
|
new SqlDataSourceStatusEventArgs (command, result, exception);
|
|
OnUpdated (updatedArgs);
|
|
|
|
if (exception != null && !updatedArgs.ExceptionHandled)
|
|
throw exception;
|
|
|
|
return result;
|
|
}
|
|
|
|
string FormatOldParameter (string name)
|
|
{
|
|
string f = OldValuesParameterFormatString;
|
|
if (f.Length > 0)
|
|
return String.Format (f, name);
|
|
else
|
|
return name;
|
|
}
|
|
|
|
object FindValueByName (string parameterName, IDictionary values, bool format)
|
|
{
|
|
if (values == null)
|
|
return null;
|
|
|
|
foreach (DictionaryEntry de in values) {
|
|
string valueName = format == true ? FormatOldParameter (de.Key.ToString ()) : de.Key.ToString ();
|
|
if (String.Compare(parameterName, valueName, StringComparison.InvariantCultureIgnoreCase) == 0)
|
|
return values [de.Key];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
void InitializeParameters (DbCommand command, ParameterCollection parameters, IDictionary values, IDictionary oldValues, bool parametersMayMatchOldValues)
|
|
{
|
|
IOrderedDictionary parameterValues = parameters.GetValues (context, owner);
|
|
|
|
foreach (string parameterName in parameterValues.Keys) {
|
|
Parameter p = parameters [parameterName];
|
|
object value = FindValueByName (parameterName, values, false);
|
|
string valueName = parameterName;
|
|
if (value == null)
|
|
value = FindValueByName (parameterName, oldValues, true);
|
|
|
|
if (value == null && parametersMayMatchOldValues) {
|
|
value = FindValueByName (parameterName, oldValues, false);
|
|
valueName = FormatOldParameter (parameterName);
|
|
}
|
|
|
|
if (value != null) {
|
|
object dbValue = p.ConvertValue (value);
|
|
DbParameter newParameter = CreateDbParameter (valueName, dbValue, p.Direction, p.Size);
|
|
if (!command.Parameters.Contains (newParameter.ParameterName)) {
|
|
command.Parameters.Add (newParameter);
|
|
}
|
|
}
|
|
else {
|
|
command.Parameters.Add (CreateDbParameter (p.Name, parameterValues [parameterName], p.Direction, p.Size));
|
|
}
|
|
}
|
|
|
|
if (values != null) {
|
|
foreach (DictionaryEntry de in values)
|
|
if (!command.Parameters.Contains (ParameterPrefix + (string) de.Key))
|
|
command.Parameters.Add (CreateDbParameter ((string) de.Key, de.Value));
|
|
}
|
|
|
|
if (oldValues != null) {
|
|
foreach (DictionaryEntry de in oldValues)
|
|
if (!command.Parameters.Contains (ParameterPrefix + FormatOldParameter ((string) de.Key)))
|
|
command.Parameters.Add (CreateDbParameter (FormatOldParameter ((string) de.Key), de.Value));
|
|
}
|
|
}
|
|
|
|
DbParameter CreateDbParameter (string name, object value)
|
|
{
|
|
return CreateDbParameter (name, value, ParameterDirection.Input, -1);
|
|
}
|
|
|
|
DbParameter CreateDbParameter (string name, object value, ParameterDirection dir, int size)
|
|
{
|
|
DbParameter dbp = factory.CreateParameter ();
|
|
dbp.ParameterName = ParameterPrefix + name;
|
|
dbp.Value = value;
|
|
dbp.Direction = dir;
|
|
if (size != -1)
|
|
dbp.Size = size;
|
|
|
|
return dbp;
|
|
}
|
|
|
|
void IStateManager.LoadViewState (object savedState)
|
|
{
|
|
LoadViewState (savedState);
|
|
}
|
|
|
|
object IStateManager.SaveViewState ()
|
|
{
|
|
return SaveViewState ();
|
|
}
|
|
|
|
void IStateManager.TrackViewState ()
|
|
{
|
|
TrackViewState ();
|
|
}
|
|
|
|
NotSupportedException CreateNotSupportedException (string capabilityName)
|
|
{
|
|
return new NotSupportedException ("Data source does not have the '" + capabilityName + "' capability enabled.");
|
|
}
|
|
|
|
protected internal override void RaiseUnsupportedCapabilityError (DataSourceCapabilities capability)
|
|
{
|
|
if ((capability & DataSourceCapabilities.Sort) != 0 && !CanSort)
|
|
throw CreateNotSupportedException ("Sort");
|
|
|
|
if ((capability & DataSourceCapabilities.Page) != 0 && !CanPage)
|
|
throw CreateNotSupportedException ("Page");
|
|
|
|
if ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != 0 && !CanRetrieveTotalRowCount)
|
|
throw CreateNotSupportedException ("RetrieveTotalRowCount");
|
|
}
|
|
|
|
protected virtual void LoadViewState (object savedState)
|
|
{
|
|
object [] vs = savedState as object [];
|
|
if (vs == null)
|
|
return;
|
|
|
|
if (vs [0] != null) ((IStateManager) deleteParameters).LoadViewState (vs [0]);
|
|
if (vs [1] != null) ((IStateManager) filterParameters).LoadViewState (vs [1]);
|
|
if (vs [2] != null) ((IStateManager) insertParameters).LoadViewState (vs [2]);
|
|
if (vs [3] != null) ((IStateManager) selectParameters).LoadViewState (vs [3]);
|
|
if (vs [4] != null) ((IStateManager) updateParameters).LoadViewState (vs [4]);
|
|
}
|
|
|
|
protected virtual object SaveViewState ()
|
|
{
|
|
object [] vs = new object [5];
|
|
|
|
if (deleteParameters != null) vs [0] = ((IStateManager) deleteParameters).SaveViewState ();
|
|
if (filterParameters != null) vs [1] = ((IStateManager) filterParameters).SaveViewState ();
|
|
if (insertParameters != null) vs [2] = ((IStateManager) insertParameters).SaveViewState ();
|
|
if (selectParameters != null) vs [3] = ((IStateManager) selectParameters).SaveViewState ();
|
|
if (updateParameters != null) vs [4] = ((IStateManager) updateParameters).SaveViewState ();
|
|
|
|
foreach (object o in vs)
|
|
if (o != null) return vs;
|
|
return null;
|
|
}
|
|
|
|
protected virtual void TrackViewState ()
|
|
{
|
|
tracking = true;
|
|
|
|
if (filterParameters != null) ((IStateManager) filterParameters).TrackViewState ();
|
|
if (selectParameters != null) ((IStateManager) selectParameters).TrackViewState ();
|
|
}
|
|
|
|
bool IStateManager.IsTrackingViewState {
|
|
get { return IsTrackingViewState; }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
bool cancelSelectOnNullParameter = true;
|
|
public bool CancelSelectOnNullParameter {
|
|
get { return cancelSelectOnNullParameter; }
|
|
set {
|
|
if (CancelSelectOnNullParameter == value)
|
|
return;
|
|
cancelSelectOnNullParameter = value;
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
}
|
|
}
|
|
|
|
public override bool CanDelete {
|
|
get { return DeleteCommand != null && DeleteCommand != ""; }
|
|
}
|
|
|
|
public override bool CanInsert {
|
|
get { return InsertCommand != null && InsertCommand != ""; }
|
|
}
|
|
|
|
public override bool CanPage {
|
|
/* according to MS, this is false in all cases */
|
|
get { return false; }
|
|
}
|
|
|
|
public override bool CanRetrieveTotalRowCount {
|
|
/* according to MS, this is false in all cases */
|
|
get { return false; }
|
|
}
|
|
|
|
public override bool CanSort {
|
|
get {
|
|
/* we can sort if we're a DataSet, regardless of sort parameter name.
|
|
we can sort if we're a DataReader, if the sort parameter name is not null/"".
|
|
*/
|
|
return (owner.DataSourceMode == SqlDataSourceMode.DataSet
|
|
|| (SortParameterName != null && SortParameterName != ""));
|
|
}
|
|
}
|
|
|
|
public override bool CanUpdate {
|
|
get { return UpdateCommand != null && UpdateCommand != ""; }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
ConflictOptions conflictDetection = ConflictOptions.OverwriteChanges;
|
|
public ConflictOptions ConflictDetection {
|
|
get { return conflictDetection; }
|
|
set {
|
|
if (ConflictDetection == value)
|
|
return;
|
|
conflictDetection = value;
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
}
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
string deleteCommand = String.Empty;
|
|
public string DeleteCommand {
|
|
get { return deleteCommand; }
|
|
set { deleteCommand = value; }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
SqlDataSourceCommandType deleteCommandType = SqlDataSourceCommandType.Text;
|
|
public SqlDataSourceCommandType DeleteCommandType {
|
|
get { return deleteCommandType; }
|
|
set { deleteCommandType = value; }
|
|
}
|
|
|
|
[DefaultValueAttribute (null)]
|
|
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
|
|
[EditorAttribute ("System.Web.UI.Design.WebControls.ParameterCollectionEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
|
|
public ParameterCollection DeleteParameters {
|
|
get { return GetParameterCollection (ref deleteParameters, false, false); }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
string filterExpression;
|
|
public string FilterExpression {
|
|
get { return filterExpression ?? string.Empty; }
|
|
set {
|
|
if (FilterExpression == value)
|
|
return;
|
|
filterExpression = value;
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
}
|
|
}
|
|
|
|
[EditorAttribute ("System.Web.UI.Design.WebControls.ParameterCollectionEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
|
|
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
|
|
[DefaultValueAttribute (null)]
|
|
public ParameterCollection FilterParameters {
|
|
get { return GetParameterCollection (ref filterParameters, true, true); }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
string insertCommand = String.Empty;
|
|
public string InsertCommand {
|
|
get { return insertCommand; }
|
|
set { insertCommand = value; }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
SqlDataSourceCommandType insertCommandType = SqlDataSourceCommandType.Text;
|
|
public SqlDataSourceCommandType InsertCommandType {
|
|
get { return insertCommandType; }
|
|
set { insertCommandType = value; }
|
|
}
|
|
|
|
[EditorAttribute ("System.Web.UI.Design.WebControls.ParameterCollectionEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
|
|
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
|
|
[DefaultValueAttribute (null)]
|
|
public ParameterCollection InsertParameters {
|
|
get { return GetParameterCollection (ref insertParameters, false, false); }
|
|
}
|
|
|
|
protected bool IsTrackingViewState {
|
|
get { return tracking; }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
string oldValuesParameterFormatString = "{0}";
|
|
[DefaultValue ("{0}")]
|
|
public string OldValuesParameterFormatString {
|
|
get { return oldValuesParameterFormatString; }
|
|
set {
|
|
if (OldValuesParameterFormatString == value)
|
|
return;
|
|
oldValuesParameterFormatString = value;
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
}
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
string selectCommand;
|
|
public string SelectCommand {
|
|
get { return selectCommand != null ? selectCommand : string.Empty; }
|
|
set {
|
|
if (SelectCommand == value)
|
|
return;
|
|
selectCommand = value;
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
}
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
SqlDataSourceCommandType selectCommandType = SqlDataSourceCommandType.Text;
|
|
public SqlDataSourceCommandType SelectCommandType {
|
|
get { return selectCommandType; }
|
|
set { selectCommandType = value; }
|
|
}
|
|
|
|
public ParameterCollection SelectParameters {
|
|
get { return GetParameterCollection (ref selectParameters, true, true); }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
string sortParameterName = String.Empty;
|
|
public string SortParameterName {
|
|
get { return sortParameterName; }
|
|
set {
|
|
if (SortParameterName == value)
|
|
return;
|
|
sortParameterName = value;
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
}
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
string updateCommand = String.Empty;
|
|
public string UpdateCommand {
|
|
get { return updateCommand; }
|
|
set { updateCommand = value; }
|
|
}
|
|
|
|
// LAME SPEC: MSDN says value should be saved in ViewState but tests show otherwise.
|
|
SqlDataSourceCommandType updateCommandType = SqlDataSourceCommandType.Text;
|
|
public SqlDataSourceCommandType UpdateCommandType {
|
|
get { return updateCommandType; }
|
|
set { updateCommandType = value; }
|
|
}
|
|
|
|
[EditorAttribute ("System.Web.UI.Design.WebControls.ParameterCollectionEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
|
|
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
|
|
[DefaultValueAttribute (null)]
|
|
public ParameterCollection UpdateParameters {
|
|
get { return GetParameterCollection (ref updateParameters, false, false); }
|
|
}
|
|
|
|
void ParametersChanged (object source, EventArgs args)
|
|
{
|
|
OnDataSourceViewChanged (EventArgs.Empty);
|
|
}
|
|
|
|
ParameterCollection GetParameterCollection (ref ParameterCollection output, bool propagateTrackViewState, bool subscribeChanged)
|
|
{
|
|
if (output != null)
|
|
return output;
|
|
|
|
output = new ParameterCollection ();
|
|
if(subscribeChanged)
|
|
output.ParametersChanged += new EventHandler (ParametersChanged);
|
|
|
|
if (IsTrackingViewState && propagateTrackViewState)
|
|
((IStateManager) output).TrackViewState ();
|
|
|
|
return output;
|
|
}
|
|
|
|
protected virtual string ParameterPrefix {
|
|
get {
|
|
switch (owner.ProviderName) {
|
|
case "":
|
|
case "System.Data.SqlClient": return "@";
|
|
case "System.Data.OracleClient": return ":";
|
|
}
|
|
return "";
|
|
}
|
|
}
|
|
|
|
ParameterCollection deleteParameters;
|
|
ParameterCollection filterParameters;
|
|
ParameterCollection insertParameters;
|
|
ParameterCollection selectParameters;
|
|
ParameterCollection updateParameters;
|
|
|
|
bool tracking;
|
|
|
|
string name;
|
|
SqlDataSource owner;
|
|
|
|
#region OnDelete
|
|
static readonly object EventDeleted = new object ();
|
|
protected virtual void OnDeleted (SqlDataSourceStatusEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceStatusEventHandler h = Events [EventDeleted] as SqlDataSourceStatusEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
|
|
public event SqlDataSourceStatusEventHandler Deleted {
|
|
add { Events.AddHandler (EventDeleted, value); }
|
|
remove { Events.RemoveHandler (EventDeleted, value); }
|
|
}
|
|
|
|
static readonly object EventDeleting = new object ();
|
|
protected virtual void OnDeleting (SqlDataSourceCommandEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceCommandEventHandler h = Events [EventDeleting] as SqlDataSourceCommandEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
public event SqlDataSourceCommandEventHandler Deleting {
|
|
add { Events.AddHandler (EventDeleting, value); }
|
|
remove { Events.RemoveHandler (EventDeleting, value); }
|
|
}
|
|
#endregion
|
|
|
|
#region OnFiltering
|
|
static readonly object EventFiltering = new object ();
|
|
protected virtual void OnFiltering (SqlDataSourceFilteringEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceFilteringEventHandler h = Events [EventFiltering] as SqlDataSourceFilteringEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
public event SqlDataSourceFilteringEventHandler Filtering {
|
|
add { Events.AddHandler (EventFiltering, value); }
|
|
remove { Events.RemoveHandler (EventFiltering, value); }
|
|
}
|
|
#endregion
|
|
|
|
#region OnInsert
|
|
static readonly object EventInserted = new object ();
|
|
protected virtual void OnInserted (SqlDataSourceStatusEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceStatusEventHandler h = Events [EventInserted] as SqlDataSourceStatusEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
|
|
public event SqlDataSourceStatusEventHandler Inserted {
|
|
add { Events.AddHandler (EventInserted, value); }
|
|
remove { Events.RemoveHandler (EventInserted, value); }
|
|
}
|
|
|
|
static readonly object EventInserting = new object ();
|
|
protected virtual void OnInserting (SqlDataSourceCommandEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceCommandEventHandler h = Events [EventInserting] as SqlDataSourceCommandEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
public event SqlDataSourceCommandEventHandler Inserting {
|
|
add { Events.AddHandler (EventInserting, value); }
|
|
remove { Events.RemoveHandler (EventInserting, value); }
|
|
}
|
|
#endregion
|
|
|
|
#region OnSelect
|
|
static readonly object EventSelected = new object ();
|
|
protected virtual void OnSelected (SqlDataSourceStatusEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceStatusEventHandler h = Events [EventSelected] as SqlDataSourceStatusEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
|
|
public event SqlDataSourceStatusEventHandler Selected {
|
|
add { Events.AddHandler (EventSelected, value); }
|
|
remove { Events.RemoveHandler (EventSelected, value); }
|
|
}
|
|
|
|
static readonly object EventSelecting = new object ();
|
|
protected virtual void OnSelecting (SqlDataSourceSelectingEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceSelectingEventHandler h = Events [EventSelecting] as SqlDataSourceSelectingEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
public event SqlDataSourceSelectingEventHandler Selecting {
|
|
add { Events.AddHandler (EventSelecting, value); }
|
|
remove { Events.RemoveHandler (EventSelecting, value); }
|
|
}
|
|
#endregion
|
|
|
|
#region OnUpdate
|
|
static readonly object EventUpdated = new object ();
|
|
protected virtual void OnUpdated (SqlDataSourceStatusEventArgs e)
|
|
{
|
|
if (owner.EnableCaching)
|
|
owner.Cache.Expire ();
|
|
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceStatusEventHandler h = Events [EventUpdated] as SqlDataSourceStatusEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
|
|
public event SqlDataSourceStatusEventHandler Updated {
|
|
add { Events.AddHandler (EventUpdated, value); }
|
|
remove { Events.RemoveHandler (EventUpdated, value); }
|
|
}
|
|
|
|
static readonly object EventUpdating = new object ();
|
|
protected virtual void OnUpdating (SqlDataSourceCommandEventArgs e)
|
|
{
|
|
if (!HasEvents ()) return;
|
|
SqlDataSourceCommandEventHandler h = Events [EventUpdating] as SqlDataSourceCommandEventHandler;
|
|
if (h != null)
|
|
h (this, e);
|
|
}
|
|
public event SqlDataSourceCommandEventHandler Updating {
|
|
add { Events.AddHandler (EventUpdating, value); }
|
|
remove { Events.RemoveHandler (EventUpdating, value); }
|
|
}
|
|
#endregion
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|