/// <summary>
/// Remove selected trainee
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RemoveTestClick(object sender, RoutedEventArgs e)
{
try
{
var test = TestGrid.SelectedItem as Test;
//validate delete
if (!ValidationMessage.Show("Are you sure you want to delete test number " + test?.Id + " ?"))
{
return;
}
_bL.RemoveTest(test);
RefreshData();
}
catch (Exception ex)
{
if (ex.Message != "Object reference not set to an instance of an object.")
{
ExceptionMessage.Show(ex.Message, ex.ToString());
}
}
}
/// <summary>
/// Remove selected trainee
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RemoveTraineeClick(object sender, RoutedEventArgs e)
{
try
{
var trainee = TraineeGrid.SelectedItem as Trainee;
//validate delete
if (!ValidationMessage.Show("Are you sure you want to delete " + trainee?.FirstName + " " +
trainee?.LastName + "?"))
{
return;
}
_bL.RemoveTrainee(trainee);
RefreshData();
}
catch (Exception ex)
{
if (ex.Message != "Object reference not set to an instance of an object.")
{
ExceptionMessage.Show(ex.Message, ex.ToString());
}
}
}
/// <summary>
/// Shows the exception.
/// </summary>
/// <param name="form">The form.</param>
/// <param name="title">The title.</param>
/// <param name="ex">The ex.</param>
public static void ShowException(DependencyObject form, string title, ValidationException ex)
{
ShowException(form, ex);
ValidationMessage.Show(form as Window, title, ex);
}
