private void Submit_Click(object sender, RoutedEventArgs e) { String text; text = vm.CallRegister(textBoxEmail.Text, passwordBox1.Password, passwordBoxConfirm.Password); if (text == "Enter a username.") { textBoxEmail.Focus(); } else if (text == "Enter password.") { passwordBox1.Focus(); } else if (text == "Enter Confirm password") { passwordBoxConfirm.Focus(); } else if (text == "Confirm password must be same as password.") { passwordBoxConfirm.Focus(); } else if (text == "") { Reset(); } errormessage.Text = text; }