ThenByExpressions Property
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OrderByExpression.ThenByExpressions Property

.NET Framework 4.6 and 4.5

Gets or sets the collection of ThenBy expressions to apply after an OrderByExpression value is applied to the data source.

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

public Collection<ThenBy> ThenByExpressions { get; }

Property Value

Type: System.Collections.ObjectModel.Collection<ThenBy>

The collection of ThenBy expressions to apply after the OrderByExpression is applied to the data source.

After a sort operation is performed by using the OrderByExpression in the QueryExtender control, subsequent sort operations can be performed by using the ThenByExpressions property.

Legacy Code Example

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

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

.NET Framework
Available since 4.0
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