BulletedListEventArgs.Index Property
Gets the index of the list item in a BulletedList control that raised the event.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System.Int32The index of the list item in a BulletedList control that raised the event.
Use this property to programmatically access the index of the list item in a BulletedList control that raised the event.
| Topic | Location |
|---|---|
| How to: Respond to User Clicks in BulletedList Web Server Controls (Visual Studio) | Building ASP .NET Web Applications in Visual Studio |
The following example demonstrates how to specify and code an event handler for the Click event of a BulletedList control. When a list item is clicked, a message is displayed in a Label control on the page.
<%@ 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>BulletedList Click Example</title> <script runat="server"> void ItemsBulletedList_Click(object sender, System.Web.UI.WebControls.BulletedListEventArgs e) { // Change the message displayed in the label based on the index // of the list item that was clicked. switch (e.Index) { case 0: Message.Text = "You clicked list item 1."; break; case 1: Message.Text = "You clicked list item 2."; break; case 2: Message.Text = "You clicked list item 3."; break; default: throw new Exception("You did not click a valid list item."); break; } } </script> </head> <body> <h3>BulletedList Click Example</h3> <form id="form1" runat="server"> <p>Click on an item in the list to raise the Click event.</p> <asp:BulletedList id="ItemsBulletedList" BulletStyle="Disc" DisplayMode="LinkButton" OnClick="ItemsBulletedList_Click" runat="server"> <asp:ListItem Value="http://www.cohowinery.com">Coho Winery</asp:ListItem> <asp:ListItem Value="http://www.contoso.com">Contoso, Ltd.</asp:ListItem> <asp:ListItem Value="http://www.tailspintoys.com">Tailspin Toys</asp:ListItem> </asp:BulletedList> <asp:Label id="Message" Font-Size="12" Width="168px" Font-Bold="True" runat="server" AssociatedControlID="ItemsBulletedList"/> </form> </body> </html>
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
