DataControlField.SortExpression Property

 
System_CAPS_noteNote

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Gets or sets a sort expression that is used by a data source control to sort data.

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

[TypeConverterAttribute("System.Web.UI.Design.DataSourceViewSchemaConverter, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
public virtual string SortExpression { get; set; }

Property Value

Type: System.String

A sort expression that is used by a data source control to sort data. The default value is an empty string ("").

The OnFieldChanged method is called to raise a state change event when the SortExpression property is set.

The value of the SortExpression property is stored in view state.

The following code example demonstrates how to use the SortExpression property to assign a sort expression to a data control field.

<%@ page language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
  <form id="form1" runat="server">

    <asp:sqldatasource
      id="SqlDataSource1"
      runat="server"
      connectionstring="<%$ ConnectionStrings:MyNorthwind%>"
      selectcommand="Select * From Employees">
    </asp:sqldatasource>

    <asp:detailsview
      id="DetailsView1"
      runat="server"
      allowpaging="True"
      datasourceid="SqlDataSource1"
      height="208px"
      width="264px"
      autogeneraterows="False">
        <fields>

          <asp:boundfield
            sortexpression="LastName"
            datafield="LastName"
            headertext="LastName">
              <itemstyle backcolor="Yellow">
              </itemstyle>
          </asp:boundfield>

          <asp:boundfield
            sortexpression="FirstName"
            datafield="FirstName"
            headertext="FirstName">
              <itemstyle forecolor="#C00000">
              </itemstyle>
          </asp:boundfield>

          <asp:buttonfield
            text="TestButton"
            buttontype="Button">
          </asp:buttonfield>

        </fields>
    </asp:detailsview>

  </form>
</body>
</html>

.NET Framework
Available since 2.0
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