This documentation is archived and is not being maintained.

ThenBy::DataField Property

Gets or sets the property of the IQueryable object to apply the ThenBy expression to.

Namespace:  System.Web.UI.WebControls.Expressions
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

public:
property String^ DataField {
	String^ get ();
	void set (String^ value);
}

Property Value

Type: System::String
The property of the IQueryable object to apply the ThenBy expression to.

The OrderByExpression sorts the data on a specified data field. Subsequent sort operations can be performed on a different data field by using the OrderByExpression the ThenByExpressions collection. This property specifies the data field to apply the ThenBy sort operation to.

The following example shows how to sort data by the ListPrice field in descending order and then on the Product ID field in ascending order. This code example is part of a larger example provided in Walkthrough: Filtering Data in a Web Page Using Declarative Syntax.

<asp:OrderByExpression DataField="ListPrice" 
    Direction="Descending">
  <asp:ThenBy DataField="ProductID" Direction="Ascending"/>
</asp:OrderByExpression>

.NET Framework

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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