c# - Required field validator drop down list asp.net -


i have drop down list , im trying required field validator working it.

   <asp:requiredfieldvalidator forecolor="red" initialvalue="0" id="requiredfieldvalidator4" runat="server" controltovalidate="dropdownlistgender" errormessage="gender">*</asp:requiredfieldvalidator>     <asp:dropdownlist cssclass="dd" runat="server" id="dropdownlistgender" >     <asp:listitem>male</asp:listitem>     <asp:listitem>female</asp:listitem>     </asp:dropdownlist>

any ideas wont work , other validation working not sure whats problem

by default html select element generated asp.net dropdownlist have first element selected. work around see answer on so: how add requiredfieldvalidator dropdownlist control?


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