Validation ASP.Net Tutorial

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  4. Validation Groups Demo
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    Validation Groups Demo
  
  
    
        Username:
        
                    runat="server"
            ControlToValidate="usernameTextBox"
            ErrorMessage="Username is required!"
            SetFocusOnError="True" 
            ValidationGroup="Login" />
        Password:
                    runat="server"
            TextMode="Password" />
                    runat="server"
            ControlToValidate="passwordTextBox"
            ErrorMessage="Password is required!"
            SetFocusOnError="True" 
            ValidationGroup="Login" />
                    runat="server" 
            Text="Log In" 
            ValidationGroup="Login" />
      

Register


        Username:
        
                    runat="server"
            ControlToValidate="newUserNameTextBox"
            ErrorMessage="Username is required!"
            SetFocusOnError="True" 
            ValidationGroup="Register" />
        Password:
                    runat="server"
            TextMode="Password" />
                    runat="server"
            ControlToValidate="newPasswordTextBox"
            ErrorMessage="Password is required!"
            SetFocusOnError="True" 
            ValidationGroup="Register" />
                    runat="server" 
            Text="Register" 
            ValidationGroup="Register" />