EntityDataSource.OrderByParameters Property
Definition
Important
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Gets the collection of parameters that are used to create the ORDER BY clause.
public:
property System::Web::UI::WebControls::ParameterCollection ^ OrderByParameters { System::Web::UI::WebControls::ParameterCollection ^ get(); };
[System.ComponentModel.Browsable(false)]
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
public System.Web.UI.WebControls.ParameterCollection OrderByParameters { get; }
[<System.ComponentModel.Browsable(false)>]
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
member this.OrderByParameters : System.Web.UI.WebControls.ParameterCollection
Public ReadOnly Property OrderByParameters As ParameterCollection
Property Value
The parameters that are used for creating the ORDER BY clause.
- Attributes
Examples
The following example automatically generates the ORDER BY clause and uses the value of the orderByDropDownList
to set the value of the parameter.
<asp:EntityDataSource ID="SalesOrderHeader" runat="server"
ConnectionString="name=AdventureWorksEntities"
DefaultContainerName="AdventureWorksEntities" EnableDelete="True"
EnableInsert="True" EnableUpdate="True" EntitySetName="SalesOrderHeader"
Where="it.OnlineOrderFlag = true" AutoGenerateOrderByClause="True">
<OrderByParameters>
<asp:ControlParameter Name="OrderByParameter"
ControlID="orderByDropDownList" Type="String" />
</OrderByParameters>
</asp:EntityDataSource>
Remarks
When the AutoGenerateOrderByClause property of the EntityDataSource control is set to true
, the control automatically generates an ORDER BY clause from the parameter in the ParameterCollection assigned to the OrderByParameters property. This eliminates the need to explicitly assign an ORDER BY clause to the OrderBy property. The construction of the ORDER BY clause from the OrderByParameters property requires that the Name property of the parameter in the collection identifies a single property of the item that is returned from the query.
Applies to
.NET
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