ASP.NET SelectedIndex Property

Complete ListControl Control Reference

Definition and Usage

The SelectedIndex property represents the index number of a selected item in a list.

Example

The following example gets the Index from a ListItem in a RadioButtonList control:

<script runat="server">
Sub Change(obj As Object, e As EventArgs)
  Response.Write("Selected index: " & rb1.SelectedIndex)
End Sub
</script>

<form runat=server>
<asp:RadioButtonList id="rb1" AutoPostBack="true" 
runat="server" OnSelectedIndexChanged="Change">
  <asp:ListItem Text="Item 1" />
  <asp:ListItem Text="Item 2" />
</asp:RadioButtonList>
</form>

Try-It-Yourself Demos

Use the SelectedIndex property in a RadioButton list

Complete ListControl Control Reference

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