GridView.SortDirection Property
.NET Framework (current version)
Gets the sort direction of the column being sorted.
Assembly: System.Web (in System.Web.dll)
[BrowsableAttribute(false)] [PersistenceModeAttribute(PersistenceMode.InnerProperty)] public virtual SortDirection SortDirection { get; }
Property Value
Type: System.Web.UI.WebControls.SortDirectionOne of the SortDirection values. The default is SortDirection.Ascending.
Use the SortDirection property to determine whether the column being sorted is sorted in ascending or descending order.
The following example demonstrates how to use the SortDirection property to programmatically determine the sort direction of a GridView control.
<%@ 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 CustomersGridView_DataBound(Object sender, EventArgs e) { // Get the header row. GridViewRow headerRow = CustomersGridView.HeaderRow; // Get the footer row. GridViewRow footerRow = CustomersGridView.FooterRow; // Set the font color of the header and footer rows // based on the sort direction. switch (CustomersGridView.SortDirection) { case SortDirection.Ascending: headerRow.ForeColor = System.Drawing.Color.Green; footerRow.ForeColor = System.Drawing.Color.Green; break; case SortDirection.Descending: headerRow.ForeColor = System.Drawing.Color.Red; footerRow.ForeColor = System.Drawing.Color.Red; break; default: headerRow.ForeColor = System.Drawing.Color.Black; footerRow.ForeColor = System.Drawing.Color.Black; break; } // Display the sort order in the footer row. footerRow.Cells[0].Text = "Sort Order = " + CustomersGridView.SortDirection.ToString(); } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>GridView HeaderRow and FooterRow Example</title> </head> <body> <form id="form1" runat="server"> <h3>GridView HeaderRow and FooterRow Example</h3> <asp:gridview id="CustomersGridView" datasourceid="CustomersSource" autogeneratecolumns="true" emptydatatext="No data available." allowsorting="true" allowpaging="true" showheader="true" showfooter="true" ondatabound="CustomersGridView_DataBound" runat="server"> <headerstyle backcolor="LightCyan" forecolor="MediumBlue"/> <footerstyle backcolor="LightCyan" forecolor="MediumBlue"/> </asp:gridview> <!-- This example uses Microsoft SQL Server and connects --> <!-- to the Northwind sample database. Use an ASP.NET --> <!-- expression to retrieve the connection string value --> <!-- from the Web.config file. --> <asp:sqldatasource id="CustomersSource" selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]" connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" runat="server"/> </form> </body> </html>
.NET Framework
Available since 2.0
Available since 2.0
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