/*
* 添加实验室**/
        private void btnAddClassroom_Click(object sender, RoutedEventArgs e)
        {
            AddClassroom addClassroom = new AddClassroom();
            addClassroom.reloadData += loadData;
            addClassroom.ShowDialog();
        }
 private void btnInsertLaboratory_Click(object sender, RoutedEventArgs e)
 {
     AddClassroom classroom = new AddClassroom();
     classroom.ShowDialog();
 }