private void Lop_Load(object sender, EventArgs e)
{
textBox1.Enabled = false;
comboBox1.DataSource = myKhoabul.LayDanhSachKhoa();
comboBox1.DisplayMember = "TenKhoa";
comboBox1.ValueMember = "MaKhoa";
dataGridView1.DataSource = myLopbul.LayDanhSachLop();
dataGridView1.Columns[0].HeaderText = "Mã Lớp";
dataGridView1.Columns[1].HeaderText = "Tên Lớp";
dataGridView1.Columns[2].HeaderText = "Tên Khoa";
}
private void cmbTenLop_SelectedIndexChanged(object sender, EventArgs e)
{
string tenlop = cmbTenLop.SelectedItem.ToString();
string malop = "";
foreach (LopHocDTO ele in lopbul.LayDanhSachLop())
{
if (ele.TenLop.Equals(tenlop))
{
malop = ele.MaLop;
}
}
dgvTimkiemDiem.DataSource = diembul.LayDiemTheoLop(malop);
}
