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EntityDataSource::CommandParameters Property
Visual Studio 2008
Gets the parameter collection for the query.
Assembly: System.Web.Entity (in System.Web.Entity.dll)
[PersistenceModeAttribute(PersistenceMode::InnerProperty)] [BrowsableAttribute(false)] public: property ParameterCollection^ CommandParameters { ParameterCollection^ get (); }
Property Value
Type: System.Web.UI.WebControls::ParameterCollectionA ParameterCollection that contains the parameters that are passed to the query command.
The CommandParameters property is used to access the ParameterCollection of parameters that are passed to an explicit Entity SQL query that is specified using the CommandText property.
The following example supplies Entity SQL command text that returns a collection of Product objects.
<asp:EntityDataSource ID="ProductDataSource" runat="server"
CommandText="SELECT value p FROM Products AS p
WHERE p.ProductID
BETWEEN @OrderIdMin AND @OrderIdMax"
ConnectionString="name=AdventureWorksEntities"
DefaultContainerName="AdventureWorksEntities" >
<CommandParameters>
<asp:ControlParameter Name="OrderIdMin"
ControlID="ProductIdMin" Type="Int32"/>
<asp:ControlParameter Name="OrderIdMax"
ControlID="ProductIdMax" Type="Int32" />
</CommandParameters>
</asp:EntityDataSource>
The following example returns a projected series of columns:
<asp:EntityDataSource ID="ProductDataSource" runat="server"
CommandText="SELECT p.ProductID, p.ProductName, p.UnitsOnOrder
FROM Products AS p
WHERE p.ProductID BETWEEN @OrderIDMin AND @OrderIDMax"
ContextTypeName="AdventureWorksModel. AdventureWorksEntities">
<CommandParameters>
<asp:ControlParameter Name="OrderIDMin"
ControlID="ProductIDMinTextBox" Type="Int32"/>
<asp:ControlParameter Name="OrderIDMax"
ControlID="ProductIDMaxTextBox" Type="Int32" />
</CommandParameters>
</asp:EntityDataSource>
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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