private void REMOVE_Click(object sender, RoutedEventArgs e)//remove
{
int ID;
try
{
MessageBoxResult result = MessageBox.Show("You really want to delete this employee", "Warning", MessageBoxButton.YesNoCancel,
MessageBoxImage.Question);
switch (result)
{
case MessageBoxResult.Yes:
{
int.TryParse(comboBox.SelectedItem.ToString(), out ID);
if (bl.AllCONTRACT_TO_employee(ID).Count() != 0) //verifie if he has a contract
{
throw new Exception("this employee has got a contract");
}
bl.removeEmployee(ID);
showDataGridView();
break;
}
case MessageBoxResult.No:
break;
}
}
catch (Exception ex)
{
showDataGridView();
MessageBox.Show(ex.Message);
}
}