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.NET Development
.NET Framework 3.5
 SortDirection Enumeration
This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:
.NET Framework Class Library
SortDirection Enumeration

Specifies the direction in which to sort a list of items.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)
Visual Basic (Declaration)
Public Enumeration SortDirection
Visual Basic (Usage)
Dim instance As SortDirection
C#
public enum SortDirection
Visual C++
public enum class SortDirection
JScript
public enum SortDirection
Member nameDescription
Ascending Sort from smallest to largest. For example, from A to Z.
Descending Sort from largest to smallest. For example, from Z to A.

The SortDirection enumeration is used to represent the direction in which items are sorted. It is commonly used by properties (such as the SortDirection property of the GridView class) to indicate the order in which items are displayed in a control.

The following code example demonstrates how to use the SortDirection enumeration to determine the direction in which the GridView control is displaying its items. The SortDirection property of the GridView control is tested for its value to determine the sort direction.

Visual Basic
<%@ Page language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

  Sub AuthorsGridView_Sorted(ByVal sender As Object, ByVal e As EventArgs)

    ' Display the sort direction.   
    If AuthorsGridView.SortDirection = SortDirection.Ascending Then

      Message.Text = "Sorting in ascending order."

    Else

      Message.Text = "Sorting in descending order."

    End If

  End Sub

</script>

<html  >
  <head runat="server">
    <title>SortDirection Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <h3>SortDirection Example</h3>

      <asp:label id="Message"
        forecolor="Red"
        runat="server"/>

      <br/><br/>    

      <asp:gridview id="AuthorsGridView"
        datasourceid="AuthorsSqlDataSource"
        allowsorting="true"
        onsorted="AuthorsGridView_Sorted"  
        runat="server"/>

      <!-- This example uses Microsoft SQL Server and connects -->
      <!-- to the Pubs sample database.                        -->
      <asp:sqldatasource id="AuthorsSqlDataSource"  
        selectcommand="SELECT [au_id], [au_lname], [au_fname], [address], [city], [state], [zip], [contract] FROM [authors]"
        updatecommand="UPDATE authors SET au_lname=@au_lname, au_fname=@au_fname, address=@address, city=@city, state=@state, zip=@zip, contract=@contract WHERE (authors.au_id = @au_id)"
        connectionstring="server=localhost;database=pubs;integrated security=SSPI"
        runat="server">
      </asp:sqldatasource>

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


C#
<%@ Page language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

  void AuthorsGridView_Sorted(Object sender, EventArgs e)
  {

    // Display the sort direction.   
    if(AuthorsGridView.SortDirection == SortDirection.Ascending)
    {  
      Message.Text = "Sorting in ascending order.";
    }
    else
    {
      Message.Text = "Sorting in descending order.";
    }

  }

</script>

<html  >
  <head runat="server">
    <title>SortDirection Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <h3>SortDirection Example</h3>

      <asp:label id="Message"
        forecolor="Red"
        runat="server"/>

      <br/><br/>    

      <asp:gridview id="AuthorsGridView"
        datasourceid="AuthorsSqlDataSource"
        allowsorting="true"
        onsorted="AuthorsGridView_Sorted"  
        runat="server"/>

      <!-- This example uses Microsoft SQL Server and connects -->
      <!-- to the Pubs sample database.                        -->
      <asp:sqldatasource id="AuthorsSqlDataSource"  
        selectcommand="SELECT [au_id], [au_lname], [au_fname], [address], [city], [state], [zip], [contract] FROM [authors]"
        updatecommand="UPDATE authors SET au_lname=@au_lname, au_fname=@au_fname, address=@address, city=@city, state=@state, zip=@zip, contract=@contract WHERE (authors.au_id = @au_id)"
        connectionstring="server=localhost;database=pubs;integrated security=SSPI"
        runat="server">
      </asp:sqldatasource>

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


Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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