private void InitalizeTextBoxMaSinhVien()
{
m_lstSinhVien = BangDiemSinhVienBUL.LoadSinhVien();
AutoCompleteStringCollection objacs = new AutoCompleteStringCollection();
for (int i = 0; i < m_lstSinhVien.Count; i++)
{
objacs.Add(m_lstSinhVien[i].MASV.Trim());
}
txtMaSV.AutoCompleteCustomSource = objacs;
}
