public bool suaHanhKhach(HanhKhach hK) { SqlConnection sqlConnection = createConnection(); try { sqlConnection.Open(); string SQL = "UPDATE HANH_KHACH SET TenHK = '" + hK.TenHK + "', CMND = '" + hK.CMND + "', DienThoai = '" + hK.DienThoai + "' WHERE MaHK = '" + hK.MaHK + "'"; SqlCommand cmd = new SqlCommand(SQL, sqlConnection); // Query và kiểm tra if (cmd.ExecuteNonQuery() > 0) { return(true); } } catch (Exception e) { throw e; } finally { // Dong ket noi sqlConnection.Close(); } return(false); }
public bool themHanhKhach(HanhKhach hK) { SqlConnection sqlConnection = createConnection(); try { sqlConnection.Open(); //SqlCommand cmd = new SqlCommand("INSERT INTO SAN_BAY(MaSB,TenSB) VALUES ('" + txtMaSB.Text + "',N'" + txtTenSB.Text + "')", con); string SQL = "INSERT INTO HANH_KHACH(MaHK, TenHK, CMND, DienThoai) VALUES ('" + hK.MaHK + "','" + hK.TenHK + "', '" + hK.CMND + "', '" + hK.DienThoai + "')"; SqlCommand cmd = new SqlCommand(SQL, sqlConnection); // Query và kiểm tra if (cmd.ExecuteNonQuery() > 0) { return(true); } } catch (Exception e) { throw e; } finally { // Dong ket noi sqlConnection.Close(); } return(false); }
public DataTable GetDataTimKiemHK(HanhKhach hK) { SqlConnection sqlConnection = createConnection(); string sql = "SELECT MaHK, TenHK, CMND, DienThoai FROM HANH_KHACH WHERE (MaHK = '" + hK.MaHK + "') OR (TenHK LIKE '%" + hK.TenHK + "%') OR (CMND = '" + hK.CMND + "') OR (DienThoai ='" + hK.DienThoai + "')"; SqlCommand cmd = new SqlCommand(sql, sqlConnection); SqlDataAdapter sqlDataAdapter = new SqlDataAdapter(sql, sqlConnection); DataSet ds = new DataSet(); sqlDataAdapter.Fill(ds); //SqlCommand cmd = new SqlCommand("SELECT * FROM DOIBONG", sqlConnection); //SqlDataAdapter da = new SqlDataAdapter(cmd); //DataSet ds = new DataSet(); //da.Fill(ds); //DGVHienThi.DataSource = ds.Tables[0]; //DGVHienThi.Refresh(); return(ds.Tables[0]); }