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<?xml version="1.0" encoding="utf-8"?>
<Type Name="ConnectionStringsExpressionEditor" FullName="System.Web.UI.Design.ConnectionStringsExpressionEditor">
<TypeSignature Language="C#" Value="public class ConnectionStringsExpressionEditor : System.Web.UI.Design.ExpressionEditor" />
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Base>
<BaseTypeName>System.Web.UI.Design.ExpressionEditor</BaseTypeName>
</Base>
<Interfaces />
<Docs>
<since version=".NET 2.0" />
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>A visual designer host, such as vsprvslong, uses the <see cref="T:System.Web.UI.Design.ConnectionStringsExpressionEditor" /> class to select a connection string from the connectionStrings configuration section.</para>
<para>The <see cref="T:System.Web.UI.Design.ConnectionStringsExpressionEditor" /> class is derived from the <see cref="T:System.Web.UI.Design.ExpressionEditor" /> class, and although it is public for technical reasons, there is no advantage in deriving from it.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Provides properties and methods for selecting a data connection expression that is associated with a control property at design time.</para>
</summary>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public ConnectionStringsExpressionEditor ();" />
<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.Design.ConnectionStringsExpressionEditor" /> class.</para>
</summary>
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="EvaluateExpression">
<MemberSignature Language="C#" Value="public override object EvaluateExpression (string expression, object parseTimeData, Type propertyType, IServiceProvider serviceProvider);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Object</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="expression" Type="System.String" />
<Parameter Name="parseTimeData" Type="System.Object" />
<Parameter Name="propertyType" Type="System.Type" />
<Parameter Name="serviceProvider" Type="System.IServiceProvider" />
</Parameters>
<Docs>
<since version=".NET 2.0" />
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>The <see cref="M:System.Web.UI.Design.ConnectionStringsExpressionEditor.EvaluateExpression(System.String,System.Object,System.Type,System.IServiceProvider)" /> method looks up the connection name and type specified by <paramref name="expression" />, and then returns the connection.</para>
<para>The visual designer uses the <see cref="M:System.Web.UI.Design.ConnectionStringsExpressionEditor.EvaluateExpression(System.String,System.Object,System.Type,System.IServiceProvider)" /> method to evaluate a connection string expression and provide the design-time value for an associated control property. The visual designer uses the <see cref="M:System.Web.Compilation.ConnectionStringsExpressionBuilder.ParseExpression(System.String,System.Type,System.Web.Compilation.ExpressionBuilderContext)" /> method to parse the expression string at design time, and then calls the <see cref="M:System.Web.UI.Design.ConnectionStringsExpressionEditor.EvaluateExpression(System.String,System.Object,System.Type,System.IServiceProvider)" /> method with the parsed expression data. The visual designer uses the evaluated expression result to assign control property values that are rendered on the design surface.</para>
<para>At run time, the page parser uses the <see cref="M:System.Web.Compilation.ConnectionStringsExpressionBuilder.EvaluateExpression(System.Object,System.Web.UI.BoundPropertyEntry,System.Object,System.Web.Compilation.ExpressionBuilderContext)" /> and <see cref="M:System.Web.Compilation.ConnectionStringsExpressionBuilder.GetCodeExpression(System.Web.UI.BoundPropertyEntry,System.Object,System.Web.Compilation.ExpressionBuilderContext)" /> methods of the corresponding <see cref="T:System.Web.Compilation.ConnectionStringsExpressionBuilder" /> implementation to evaluate an expression and provide the run-time value for an associated control property.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Evaluates a connection string expression and provides the design-time value for a control property.</para>
</summary>
<returns>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>The object referenced by the evaluated expression string if the expression evaluation succeeded; otherwise, null.</para>
</returns>
<param name="expression">
<attribution license="cc4" from="Microsoft" modified="false" />A connection string expression to evaluate. The expression does not include the ConnectionStrings expression prefix.</param>
<param name="parseTimeData">
<attribution license="cc4" from="Microsoft" modified="false" />An object containing additional parsing information for evaluating the expression.</param>
<param name="propertyType">
<attribution license="cc4" from="Microsoft" modified="false" />The type of the control property.</param>
<param name="serviceProvider">
<attribution license="cc4" from="Microsoft" modified="false" />A service provider implementation supplied by the designer host, used to obtain additional design-time services.</param>
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="GetExpressionEditorSheet">
<MemberSignature Language="C#" Value="public override System.Web.UI.Design.ExpressionEditorSheet GetExpressionEditorSheet (string expression, IServiceProvider serviceProvider);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Web.UI.Design.ExpressionEditorSheet</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="expression" Type="System.String" />
<Parameter Name="serviceProvider" Type="System.IServiceProvider" />
</Parameters>
<Docs>
<since version=".NET 2.0" />
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>The <see cref="M:System.Web.UI.Design.ConnectionStringsExpressionEditor.GetExpressionEditorSheet(System.String,System.IServiceProvider)" /> method returns an editor sheet implementation for connection string expressions. The editor sheet for connection string expressions allows users to select a connection name and type, based on the current connection strings that are defined in the <format type="text/html"><a href="b6ffbb2e-a4d1-410e-8f7e-9755e92c65de">connectionStrings</a></format> section of the Web configuration file. Once users have selected the connection expression properties, the editor sheet implementation combines the connection name and type into a connection string expression, which is returned to the visual designer.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Returns an expression editor sheet for a connection string expression.</para>
</summary>
<returns>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>An <see cref="T:System.Web.UI.Design.ExpressionEditorSheet" /> instance that defines the connection string expression properties.</para>
</returns>
<param name="expression">
<attribution license="cc4" from="Microsoft" modified="false" />The expression string set for a control property, used to initialize the expression editor sheet. The expression does not include the ConnectionStrings expression prefix.</param>
<param name="serviceProvider">
<attribution license="cc4" from="Microsoft" modified="false" />A service provider implementation supplied by the designer host, used to obtain additional design-time services.</param>
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
</Members>
</Type>
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