&nbsp;<BR>Hi<BR>I am trying to do something that would be very simple in classic asp - check wether a user has entered a valid number - so in classic asp isnumeric - <BR>i think i should be using a validation control - but cannot find a simple example of basically saying.... is that a number ?<BR> this is what I am trying at the moment ( not working ?!) thanks<BR>&#060;asp:RegularExpressionValidator <BR>ControlToValidate="txtNumber"<BR>ValidationExp ression="d"<BR>EnableClientScript="false"<BR>Error Message="txtNumber must be a digit"<BR>runat="server" /&#062;<BR>