ASP.NET DropDownList SelectedIndex property
DropDownList control Definition and Usage
SelectedIndex property to get or set the DropDownList is the index number of the selected items.
Examples
The following example is the purpose of the text output options:
<script runat="Server">
Sub GetName(obj As Object, e As EventArgs)
lbl.Text = ddList.SelectedItem.Text
End Sub
</script>
<form runat="Server">
Select a name from the list:
<asp:DropDownList id="ddList" runat="Server">
<asp:ListItem Text="Peter" />
<asp:ListItem Text="Lois" />
<asp:ListItem Text="Cleveland" />
<asp:ListItem Text="Quagmire" />
<asp:ListItem Text="Joe" />
</asp:DropDownList>
<asp:Button Text="Select"
OnClick="GetName" Runat="Server" />
<br />
Name is:
<asp:Label id="lbl" Runat="Server"/>
</form>
Sub GetName(obj As Object, e As EventArgs)
lbl.Text = ddList.SelectedItem.Text
End Sub
</script>
<form runat="Server">
Select a name from the list:
<asp:DropDownList id="ddList" runat="Server">
<asp:ListItem Text="Peter" />
<asp:ListItem Text="Lois" />
<asp:ListItem Text="Cleveland" />
<asp:ListItem Text="Quagmire" />
<asp:ListItem Text="Joe" />
</asp:DropDownList>
<asp:Button Text="Select"
OnClick="GetName" Runat="Server" />
<br />
Name is:
<asp:Label id="lbl" Runat="Server"/>
</form>
The demonstration >>
DropDownList control