private void btnLocSV_Click(object sender, EventArgs e) { //int IDDM_Khoa, IDDM_He, IDDM_TrinhDo, IDDM_Nganh, IDDM_KhoaHoc, IDDM_Lop; pDM_LopInfo.IDDM_Khoa = cmbKhoa.EditValue == null ? 0 : int.Parse(cmbKhoa.EditValue.ToString()); pDM_LopInfo.IDDM_He = cmbHe.EditValue == null ? 0 : int.Parse(cmbHe.EditValue.ToString()); pDM_LopInfo.IDDM_TrinhDo = cmbTrinhDo.EditValue == null ? 0 : int.Parse(cmbTrinhDo.EditValue.ToString()); pDM_LopInfo.IDDM_Nganh = cmbNganh.EditValue == null ? 0 : int.Parse(cmbNganh.EditValue.ToString()); pDM_LopInfo.IDDM_KhoaHoc = cmbKhoaHoc.EditValue == null ? 0 : int.Parse(cmbKhoaHoc.EditValue.ToString()); pDM_LopInfo.DM_LopID = cmbLop.EditValue == null ? 0 : int.Parse(cmbLop.EditValue.ToString()); dtSinhVien = oBSV_SinhVien.GetSinhVienLapTaiKhoan(pDM_LopInfo, Program.NamHoc, txtHoVaTen.Text.Trim(), txtMaSinhVien.Text.Trim()); grdSinhVien.DataSource = dtSinhVien; }