<asp:DropDownList id="DropDownList1" runat="server"
ontextchanged="DropDownList1_TextChanged">
<asp:ListItem Selected="True">Select a profession</asp:ListItem>
<asp:ListItem>Programmer</asp:ListItem>
<asp:ListItem>Lawyer</asp:ListItem>
<asp:ListItem>Doctor</asp:ListItem>
<asp:ListItem>Artist</asp:ListItem>
</asp:DropDownList>
<asp:RequiredFieldValidator id="RequiredFieldValidator1"
runat="server" ErrorMessage="Please make a selection"
ControlToValidate="DropDownList1"
InitialValue="Select a profession">
</asp:RequiredFieldValidator>