110 lines
3.3 KiB
C#
110 lines
3.3 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ProfileParameter.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI.WebControls {
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using System;
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using System.ComponentModel;
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using System.Data;
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/// <devdoc>
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/// Represents a Parameter that gets its value from the user's profile data.
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/// </devdoc>
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[
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DefaultProperty("PropertyName"),
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]
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public class ProfileParameter : Parameter {
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/// <devdoc>
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/// Creates an instance of the ProfileParameter class.
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/// </devdoc>
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public ProfileParameter() {
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}
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/// <devdoc>
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/// Creates an instance of the ProfileParameter class with the specified parameter name and profile property.
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/// </devdoc>
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public ProfileParameter(string name, string propertyName) : base(name) {
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PropertyName = propertyName;
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}
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/// <devdoc>
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/// Creates an instance of the ProfileParameter class with the specified parameter name, type, and profile property.
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/// </devdoc>
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public ProfileParameter(string name, TypeCode type, string propertyName) : base(name, type) {
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PropertyName = propertyName;
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}
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/// <devdoc>
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/// Creates an instance of the ProfileParameter class with the specified parameter name, database type, and
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/// profile property.
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/// </devdoc>
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public ProfileParameter(string name, DbType dbType, string propertyName)
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: base(name, dbType) {
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PropertyName = propertyName;
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}
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/// <devdoc>
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/// Used to clone a parameter.
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/// </devdoc>
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protected ProfileParameter(ProfileParameter original) : base(original) {
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PropertyName = original.PropertyName;
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}
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/// <devdoc>
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/// The name of the Profile property to get the value from.
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/// </devdoc>
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[
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DefaultValue(""),
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WebCategory("Parameter"),
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WebSysDescription(SR.ProfileParameter_PropertyName),
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]
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public string PropertyName {
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get {
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object o = ViewState["PropertyName"];
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if (o == null)
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return String.Empty;
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return (string)o;
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}
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set {
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if (PropertyName != value) {
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ViewState["PropertyName"] = value;
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OnParameterChanged();
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}
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}
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}
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/// <devdoc>
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/// Creates a new ProfileParameter that is a copy of this ProfileParameter.
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/// </devdoc>
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protected override Parameter Clone() {
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return new ProfileParameter(this);
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}
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/// <devdoc>
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/// Returns the updated value of the parameter.
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/// </devdoc>
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protected internal override object Evaluate(HttpContext context, Control control) {
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if (context == null || context.Profile == null) {
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return null;
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}
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return DataBinder.Eval(context.Profile, PropertyName);
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}
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}
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}
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