CentralServerDemo.RegisterForm.ValidateFields C# (CSharp) 메소드

        private string ValidateFields()
        {
            string error = String.Empty;

            if (txtUserName.Text.Trim() == String.Empty)
                error += "User name is required\n";

            if (txtPassword.Text.Trim() == String.Empty)
                error += "Password is required\n";

            if (txtPassword.Text != txtRePassword.Text)
                error += "Passwords do not match\n";

            return error;


        }