<asp:TextBox ID="txtbFName" runat="server" ValidationGroup="vldEdtUser" Height="22px" Width="171px"></asp:TextBox> <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" Display="Dynamic" ErrorMessage="First Name Required" ControlToValidate="txtbFName" ValidationGroup="vldEdtUser"></asp:RequiredFieldValidator>This one is not working:
<asp:TextBox ID="UserName" runat="server" ValidationGroup="CreateUserWizard1" Width="167px"></asp:TextBox> <asp:RequiredFieldValidator ID="UserNameRequired" runat="server" ControlToValidate="UserName" ErrorMessage="User Name is required." ToolTip="User Name is required." ValidationGroup="CreateUserWizard1" style="left: -175px; position: relative; top: 18px" Display="Dynamic" SetFocusOnError="True" Width="165px"></asp:RequiredFieldValidator>