private void DeleteStudent_Click(object sender, RoutedEventArgs e)
{
var dg = sender as DataGrid;
for (var vis = sender as Visual; vis != null; vis = VisualTreeHelper.GetParent(vis) as Visual)
{
if (vis is DataGridRow)
{
if (((System.Windows.FrameworkElement)vis).DataContext is DTOStudent)
{
var studentId = ((DTO.DTOStudent)((System.Windows.FrameworkElement)vis).DataContext).StudentId;
if (studentId != -1)
{
client.DeleteStudent(studentId);
List <DTOStudent> students = client.GetGroupStudents(_currentGroupId);
if (students.Count != 0)
{
StudentsGrid.ItemsSource = students;
}
}
}
}
}
}
