private void gridView1_ValidateRow(object sender, DevExpress.XtraGrid.Views.Base.ValidateRowEventArgs e)
        {
            try
            {
                GridView view = sender as GridView;

                //validation
                GridColumn ma_tkCol = view.Columns["MA_TK"];
                GridColumn ma_ctCol = view.Columns["MA_CT"];
                GridColumn ma_ytcpCol = view.Columns["MA_YTCP"];
                GridColumn ma_dmCol = view.Columns["MA_DM"];
                string ma_tk = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, ma_tkCol), "");
                string ma_ct = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, ma_ctCol), "");
                string ma_ytcp = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, ma_ytcpCol), "");
                string ma_dm = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, ma_dmCol), "");
                if (ma_tk.Trim().Length == 0 || ma_ct.Trim().Length == 0 || ma_ytcp.Trim().Length == 0 || ma_dm.Trim().Length == 0)
                {
                    e.Valid = false;
                    if (ma_tk.Trim().Length == 0)
                        view.SetColumnError(ma_tkCol, "Mã TK không được rổng");
                    if (ma_ct.Trim().Length == 0)
                        view.SetColumnError(ma_ctCol, "Mã chương trình không được rổng");
                    if (ma_ytcp.Trim().Length == 0)
                        view.SetColumnError(ma_ytcpCol, "Mã YTCP không được rổng");
                    if (ma_dm.Trim().Length == 0)
                        view.SetColumnError(ma_dmCol, "Mã danh mục không được rổng");

                    return;
                }

                _KTCPCTRepo = new KTCPCTRepo();
                //Kiểm tra đây là dòng dữ liệu mới hay cũ, nếu là mới thì mình insert
                if (view.IsNewItemRow(e.RowHandle))
                {
                    //e.RowHandle trả về giá trị int là thứ tự của dòng hiện tại
                    KT_CPCT obj = new KT_CPCT();

                    obj.MA_TK = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_TK"), "");
                    obj.MA_CT = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_CT"), "");
                    obj.MA_YTCP = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_YTCP"), "");
                    obj.MA_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_DM"), "");
                    obj.TEN_CT = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_CT"), "");
                    obj.TEN_YTCP_V = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_YTCP_V"), "");
                    obj.TEN_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_DM"), "");
                    obj.DON_VI = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DON_VI"), "");
                    obj.SL = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "SL"), 0);
                    obj.PSNO_VND = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "PSNO_VND"), 0);
                    obj.PSCO_VND = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "PSCO_VND"), 0);
                    obj.DANH_DAU = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DANH_DAU"), "");
                    obj.TRANG_THAI = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "TRANG_THAI"), 0);

                    _KTCPCTRepo.Create(obj);

                }
                //Cũ thì update
                else
                {
                    int id = Utils.CIntDef(view.GetRowCellValue(gridView1.FocusedRowHandle, "ID"), 0);
                    KT_CPCT obj = _KTCPCTRepo.GetById(id);
                    if (obj != null)
                    {
                        obj.MA_TK = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_TK"), "");
                        obj.MA_CT = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_CT"), "");
                        obj.MA_YTCP = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_YTCP"), "");
                        obj.MA_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_DM"), "");
                        obj.TEN_CT = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_CT"), "");
                        obj.TEN_YTCP_V = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_YTCP_V"), "");
                        obj.TEN_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_DM"), "");
                        obj.DON_VI = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DON_VI"), "");
                        obj.SL = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "SL"), 0);
                        obj.PSNO_VND = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "PSNO_VND"), 0);
                        obj.PSCO_VND = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "PSCO_VND"), 0);
                        obj.DANH_DAU = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DANH_DAU"), "");
                        obj.TRANG_THAI = Utils.CIntDef(view.GetRowCellValue(e.RowHandle, "TRANG_THAI"), 0);

                        _KTCPCTRepo.Update(obj);
                    }

                }
                Load_Data();
            }
            catch (Exception ex)
            {
                e.Valid = false;
                MessageBox.Show(ex.Message, "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void Save_Duplicate()
        {
            try
            {                
                if (MessageBox.Show("Bạn có muốn copy dòng này thành dòng mới?", "Thông báo", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    _KTCPCTRepo = new KTCPCTRepo();
                    KT_CPCT obj = new KT_CPCT();

                    obj.MA_TK = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "MA_TK"), "");
                    obj.MA_CT = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "MA_CT"), "");
                    obj.MA_YTCP = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "MA_YTCP"), "");
                    obj.MA_DM = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "MA_DM"), "");
                    obj.TEN_CT = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "TEN_CT"), "");
                    obj.TEN_YTCP_V = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "TEN_YTCP_V"), "");
                    obj.TEN_DM = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "TEN_DM"), "");
                    obj.DON_VI = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DON_VI"), "");
                    obj.SL = Utils.CIntDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "SL"), 0);
                    obj.PSNO_VND = Utils.CIntDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "PSNO_VND"), 0);
                    obj.PSCO_VND = Utils.CIntDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "PSCO_VND"), 0);
                    obj.DANH_DAU = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DANH_DAU"), "");
                    obj.TRANG_THAI = Utils.CIntDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "TRANG_THAI"), 0);

                    _KTCPCTRepo.Create(obj);
                    MessageBox.Show("Đã copy dòng này vào cuối bảng!", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
 partial void UpdateKT_CPCT(KT_CPCT instance);
 partial void DeleteKT_CPCT(KT_CPCT instance);
 partial void InsertKT_CPCT(KT_CPCT instance);