﻿<?xml version="1.0" encoding="utf-8"?><Type Name="AppSettingsExpressionBuilder" FullName="System.Web.Compilation.AppSettingsExpressionBuilder"><TypeSignature Language="C#" Value="public class AppSettingsExpressionBuilder : System.Web.Compilation.ExpressionBuilder" /><AssemblyInfo><AssemblyName>System.Web</AssemblyName><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo><Base><BaseTypeName>System.Web.Compilation.ExpressionBuilder</BaseTypeName></Base><Interfaces /><Attributes><Attribute><AttributeName>System.Web.Compilation.ExpressionPrefix("AppSettings")</AttributeName></Attribute><Attribute><AttributeName>System.Web.Compilation.ExpressionEditor("System.Web.UI.Design.AppSettingsExpressionEditor, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")</AttributeName></Attribute></Attributes><Docs><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="T:System.Web.Compilation.AppSettingsExpressionBuilder" /> class provides access to values in the &lt;appSettings&gt; section of the Web.config file. The &lt;appSettings&gt; section of the Web.config file contains application-specific values in key/value pairs. </para><para>An application value is retrieved by assigning an expression of the form</para><para>&lt;%$ AppSettings: appSettingsKey %&gt;</para><para>to a property in a control declaration. The part of the expression before the colon (:) designates the type of expression to be retrieved, and the part after the colon signifies the key. The preceding expression would retrieve the following value from the Web.config file.</para><para>&lt;appSettings&gt;</para><para>    &lt;add key="appSettingsKey" value="appSettingsValue"/&gt;</para><para>&lt;/appSettings&gt;</para><para>When the page parser encounters an expression with the AppSettings prefix, it creates an instance of the <see cref="T:System.Web.Compilation.AppSettingsExpressionBuilder" /> class to handle the expression. </para><para>If the expression is encountered in a page that will be compiled, the <see cref="T:System.Web.Compilation.AppSettingsExpressionBuilder" /> object generates code to retrieve the specified value from the Web.config file. This code is executed during the execution of the generated page class. If the expression is encountered in a page that will not be compiled, the <see cref="T:System.Web.Compilation.AppSettingsExpressionBuilder" /> object returns the value from the Web.config file when the page is parsed and executed.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Retrieves values, as specified in a declarative expression, from the &lt;appSettings&gt; section of the Web.config file.</para></summary></Docs><Members><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public AppSettingsExpressionBuilder ();" /><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.Compilation.AppSettingsExpressionBuilder" /> class. </para></summary></Docs><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="EvaluateExpression"><MemberSignature Language="C#" Value="public override object EvaluateExpression (object target, System.Web.UI.BoundPropertyEntry entry, object parsedData, System.Web.Compilation.ExpressionBuilderContext context);" /><MemberType>Method</MemberType><ReturnValue><ReturnType>System.Object</ReturnType></ReturnValue><Parameters><Parameter Name="target" Type="System.Object" /><Parameter Name="entry" Type="System.Web.UI.BoundPropertyEntry" /><Parameter Name="parsedData" Type="System.Object" /><Parameter Name="context" Type="System.Web.Compilation.ExpressionBuilderContext" /></Parameters><Docs><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>This method is called when an expression of the form &lt;%$ AppSettings: someApplicationSetting %&gt; is encountered in a no-compile page. It retrieves the appropriate value from the key/value pairs in the &lt;appSettings&gt; section of the Web.config file. This method overrides <see cref="M:System.Web.Compilation.ExpressionBuilder.EvaluateExpression(System.Object,System.Web.UI.BoundPropertyEntry,System.Object,System.Web.Compilation.ExpressionBuilderContext)" /> by calling the <see cref="M:System.Web.Compilation.AppSettingsExpressionBuilder.GetAppSetting(System.String,System.Type,System.String)" /> method with the <see cref="P:System.Web.UI.BoundPropertyEntry.Expression" /> property as the <paramref name="key" /> parameter, the <see cref="P:System.Web.UI.PropertyEntry.Name" /> property on the <see cref="P:System.Web.UI.PropertyEntry.PropertyInfo" /> property as the <paramref name="propertyName" /> parameter, and the <see cref="T:System.Type" /> of the <paramref name="target" /> parameter as the <paramref name="targetType" /> parameter.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Returns a value from the &lt;appSettings&gt; section of the Web.config file.</para></summary><returns><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="T:System.Object" /> associated with a key in the &lt;appSettings&gt; section of the Web.config file.</para></returns><param name="target"><attribution license="cc4" from="Microsoft" modified="false" />The object that contains the property entry.</param><param name="entry"><attribution license="cc4" from="Microsoft" modified="false" />The property to which the expression is bound..</param><param name="parsedData"><attribution license="cc4" from="Microsoft" modified="false" />The object that represents parsed data as returned by <see cref="M:System.Web.Compilation.ExpressionBuilder.ParseExpression(System.String,System.Type,System.Web.Compilation.ExpressionBuilderContext)" />.</param><param name="context"><attribution license="cc4" from="Microsoft" modified="false" />Properties for the control or page.</param></Docs><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="GetAppSetting"><MemberSignature Language="C#" Value="public static object GetAppSetting (string key);" /><MemberType>Method</MemberType><ReturnValue><ReturnType>System.Object</ReturnType></ReturnValue><Parameters><Parameter Name="key" Type="System.String" /></Parameters><Docs><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>This method retrieves the appropriate value from the key/value pairs in the &lt;appSettings&gt; section of the Web.config file. It retrieves the value by getting the <see cref="P:System.Configuration.ConfigurationManager.AppSettings" /> property with the key as the index. The <see cref="T:System.Object" /> returned is of the type <see cref="T:System.String" />. </para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Returns a value from the &lt;appSettings&gt; section of the Web.config file.</para></summary><returns><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="T:System.Object" /> associated with the key in the &lt;appSettings&gt; section of the Web.config file.</para></returns><param name="key"><attribution license="cc4" from="Microsoft" modified="false" />The key for the value to be retrieved from the configuration file. </param></Docs><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="GetAppSetting"><MemberSignature Language="C#" Value="public static object GetAppSetting (string key, Type targetType, string propertyName);" /><MemberType>Method</MemberType><ReturnValue><ReturnType>System.Object</ReturnType></ReturnValue><Parameters><Parameter Name="key" Type="System.String" /><Parameter Name="targetType" Type="System.Type" /><Parameter Name="propertyName" Type="System.String" /></Parameters><Docs><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>This method retrieves the appropriate value from the key/value pairs in the &lt;appSettings&gt; section of the Web.config file. The value is retrieved by getting the <see cref="P:System.Configuration.ConfigurationManager.AppSettings" /> property with the key as the index. The resulting string value is converted to a new type based on the <paramref name="targetType" /> and <paramref name="propertyName" /> parameters.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Returns a value from the &lt;appSettings&gt; section of the Web.config file with the value converted to a target type.</para></summary><returns><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="T:System.Object" /> associated with the key in the &lt;appSettings&gt; section of the Web.config file.</para></returns><param name="key"><attribution license="cc4" from="Microsoft" modified="false" />The key for a value to be retrieved from the configuration file.</param><param name="targetType"><attribution license="cc4" from="Microsoft" modified="false" />The type of the object that contains the property entry.</param><param name="propertyName"><attribution license="cc4" from="Microsoft" modified="false" />The name of the property to which the expression is bound.</param></Docs><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="GetCodeExpression"><MemberSignature Language="C#" Value="public override System.CodeDom.CodeExpression GetCodeExpression (System.Web.UI.BoundPropertyEntry entry, object parsedData, System.Web.Compilation.ExpressionBuilderContext context);" /><MemberType>Method</MemberType><ReturnValue><ReturnType>System.CodeDom.CodeExpression</ReturnType></ReturnValue><Parameters><Parameter Name="entry" Type="System.Web.UI.BoundPropertyEntry" /><Parameter Name="parsedData" Type="System.Object" /><Parameter Name="context" Type="System.Web.Compilation.ExpressionBuilderContext" /></Parameters><Docs><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>This method is called during the CodeDOM creation for a page or control. The returned <see cref="T:System.CodeDom.CodeExpression" /> object represents the code expression to add to the property assignment in the generated page class.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Returns a code expression that is used to perform the property assignment in the generated page class.</para></summary><returns><attribution license="cc4" from="Microsoft" modified="false" /><para>A <see cref="T:System.CodeDom.CodeExpression" /> that is used in the property assignment.</para></returns><param name="entry"><attribution license="cc4" from="Microsoft" modified="false" />The property to which the expression is bound.</param><param name="parsedData"><attribution license="cc4" from="Microsoft" modified="false" />The object that represents parsed data as returned by <see cref="M:System.Web.Compilation.ExpressionBuilder.ParseExpression(System.String,System.Type,System.Web.Compilation.ExpressionBuilderContext)" />.</param><param name="context"><attribution license="cc4" from="Microsoft" modified="false" />Properties for the control or page.</param></Docs><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="SupportsEvaluate"><MemberSignature Language="C#" Value="public override bool SupportsEvaluate { get; }" /><MemberType>Property</MemberType><ReturnValue><ReturnType>System.Boolean</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.Compilation.AppSettingsExpressionBuilder.SupportsEvaluate" /> property indicates whether the <see cref="M:System.Web.Compilation.AppSettingsExpressionBuilder.EvaluateExpression(System.Object,System.Web.UI.BoundPropertyEntry,System.Object,System.Web.Compilation.ExpressionBuilderContext)" /> method has been implemented in the class and can return a value for the expression. <see cref="M:System.Web.Compilation.AppSettingsExpressionBuilder.EvaluateExpression(System.Object,System.Web.UI.BoundPropertyEntry,System.Object,System.Web.Compilation.ExpressionBuilderContext)" /> must be implemented within an expression builder for an expression to be evaluated in a page that is not compiled. The <see cref="T:System.Web.Compilation.AppSettingsExpressionBuilder" /> class supports evaluation of an application setting in a page that is not compiled, so it always returns true.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Returns a value indicating whether an expression can be evaluated in a page that is not compiled.</para></summary></Docs><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member></Members></Type>