private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
if (MessageBox.Show("Do you realy want to delete?", "Question", MessageBoxButton.YesNo, MessageBoxImage.Warning) == MessageBoxResult.No)
{
return;
}
else
{
foreach (Student s in StudentsDataGrid.SelectedItems)
{
EntityDb.DeleteStudent(s);
}
GetStudents();
}
}