private void btnXoa_Click(object sender, EventArgs e)
{
GiaoVien_DangKy dk = db.GiaoVien_DangKy.Find(txtML.Text, txtMaMH.Text, Int16.Parse(txtLan.Text));
db.GiaoVien_DangKy.Remove(dk);
db.SaveChanges();
loadData();
}
private void btnSua_Click(object sender, EventArgs e)
{
try
{
GiaoVien_DangKy dk = db.GiaoVien_DangKy.Find(txtML.Text, txtMaMH.Text, Int16.Parse(txtLan.Text));
dk.MAGV = txtMaGV.Text;
dk.MALOP = txtML.Text;
dk.MAMH = txtMaMH.Text;
dk.TRINHDO = txtTrinh.Text;
dk.NGAYTHI = Convert.ToDateTime(txtNgayThi.Text);
dk.LAN = Int16.Parse(txtLan.Text);
dk.SOCAUTHI = Int16.Parse(txtSoCau.Text);
dk.THOIGIAN = Int16.Parse(txtThoiGian.Text);
db.SaveChanges();
loadData();
}
catch (Exception ex)
{
MessageBox.Show("Không đúng định dạng" + ex);
}
}
