private void cbMaNV_SelectedIndexChanged(object sender, EventArgs e) { dl.MaNV = cbMaNV.SelectedValue.ToString(); txtTenNhanVien.DataBindings.Clear(); txtTenNhanVien.DataBindings.Add("Text", xldl.TenNV_PQ(dl), "TenNhanVien"); dl.MaNV = cbMaNV.Text; dtgDanhSachQuyen.DataSource = xldl.MaNV_Search(dl); Binding(); }