The Script:
<html><head>
<script language="VB" runat="server">
Sub SubmitBtn_Click(sender As Object, e As EventArgs)
Label1.Text = "You chose: " + DropDown1.SelectedValue
End Sub
</script>
</head><body>
<h3><font face="Verdana">DataBinding DropDownList</font></h3>
<form runat=server>
<asp:DropDownList id="DropDown1" DataSourceID="SqlDataSource1"
DataTextField="au_lname" DataValueField="au_id" runat="server" />
<asp:SqlDataSource id="SqlDataSource1"
ConnectionString='<%$ ConnectionStrings:Pubs %>'
SelectCommand="select DISTINCT au_id, au_lname from authors"
runat="server"/>
<asp:button Text="Submit" OnClick="SubmitBtn_Click" runat=server/>
<p>
<asp:Label id=Label1 Font-Names="Verdana" font-size="10pt" runat="server" />
</form>
</body></html>
