private bool IsInputValid() { if (string.IsNullOrEmpty(this.FirstNameTextBox.Text)) { InputHelper.DisplayError("First name cannot be empty."); return(false); } if (string.IsNullOrEmpty(this.SurnameNameTextBox.Text)) { InputHelper.DisplayError("Surname cannot be empty."); return(false); } if (string.IsNullOrEmpty(this.GenderComboBox.SelectedValue.ToString())) { InputHelper.DisplayError("Gender cannot be empty."); return(false); } if (this.BirthdayDatePicker.SelectedDate is null) { InputHelper.DisplayError("Birthday cannot be empty."); return(false); } return(true); }
private void App_DispatcherUnhandledExceptionHandler(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e) { InputHelper.DisplayError(e.Exception.Message); e.Handled = true; }