private void searchHocVien(string textSearch) { DataTable tbHocVien = new DataTable(); if (grpChungChi.SelectedIndex == 0) { //1. Full name if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 1) { tbHocVien = boHv.searchHocVienByFullName_1(textSearch); } //2. Last name else if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 2) { tbHocVien = boHv.searchHocVienByLastName_1(textSearch); } //3. Firstname else if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 3) { tbHocVien = boHv.searchHocVienByFirstName_1(textSearch); } //7.Theo số chứng chỉ else if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 7) { tbHocVien = boHv.searchHocVienBySoCC_1(textSearch + " GTVT"); } } else if (grpChungChi.SelectedIndex == 1) { //1. Full name if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 1) { tbHocVien = boHv.searchHocVienByFullName_1_Doi(textSearch); } //2. Last name else if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 2) { tbHocVien = boHv.searchHocVienByLastName_1_Doi(textSearch); } //3. Firstname else if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 3) { tbHocVien = boHv.searchHocVienByFirstName_1_Doi(textSearch); } //7.Theo số chứng chỉ else if (int.Parse(lookSearchBy.GetColumnValue("ID").ToString()) == 7) { tbHocVien = boHv.searchHocVienBySoCC_1_Doi(textSearch + " GTVT"); } } gridStudentsList.DataSource = tbHocVien; }