private void btnSave_Click(object sender, EventArgs e)
{
if (gridView1.RowCount != 0)
{
var dc = new ClassSRMDataContext(Config.connection);
int id = (int)gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "Id");
dc.AddQuastion((int)cmbClass.EditValue, id, cmbBook.Text);
gridView1.DeleteSelectedRows();
Hide();
Close();
PointBook.isQuastion = true;
PointBook.bookIndex = cmbBook.SelectedIndex;
PointBook.StudentId = id;
PointBook.SchoolId = (int)cmbClass.EditValue;
new PointBook().ShowDialog();
}
}