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); }