Compare Field Validator -Validation Controls

     It can compare two values, for instance the values of two controls.

Compare Validator Syntax:

   Small number:<br />

    <asp:TextBox runat="server" id="txtSmallNumber" /><br /><br />

   Big number:<br />

   <asp:TextBox runat="server" id="txtBigNumber" /><br />

   <asp:CompareValidator runat="server" id="cmpNumbers" controltovalidate="txtSmallNumber"         controltocompare="txtBigNumber" operator="LessThan" type="Integer" errormessage="The first number  should be smaller than the second number!" /><br />