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

                //validation
                //GridColumn sttCol = view.Columns["STT"];
                //GridColumn ma_nhomCol = view.Columns["MA_NHOM"];
                //string stt = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, sttCol), "");
                //string ma_nhom = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, ma_nhomCol), "");
                //if (stt.Trim().Length == 0 || ma_nhom.Trim().Length == 0 )
                //{
                //    e.Valid = false;
                //    if (stt.Trim().Length == 0)
                //        view.SetColumnError(sttCol, "STT không được rổng");
                //    if (ma_nhom.Trim().Length == 0)
                //        view.SetColumnError(ma_nhomCol, "Mã nhóm không được rổng");

                //    return;
                //}

                _KTDGBTheoNhomDTRepo = new KTDGBTheoNhomDTRepo();
                //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_DGBTheoNhomDT obj = new KT_DGBTheoNhomDT();

                    obj.MA_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "STT"), "");
                    obj.MA_TK = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_TK"), "");
                    obj.TEN_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_DM"), "");
                    obj.DON_VI = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DON_VI"), "");
                    obj.MA_NHOM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_NHOM"), "");
                    obj.TEN_NHOM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_NHOM"), "");
                    obj.DANH_DAU = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DANH_DAU"), "");
                    obj.DGBAN1 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN1"), 0);
                    obj.DGBAN2 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN3"), 0);
                    obj.DGBAN4 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN4"), 0);
                    obj.DGBAN5 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN5"), 0);

                    _KTDGBTheoNhomDTRepo.Create(obj);

                }
                //Cũ thì update
                else
                {
                    int id = Utils.CIntDef(view.GetRowCellValue(gridView1.FocusedRowHandle, "ID"), 0);
                    KT_DGBTheoNhomDT obj = _KTDGBTheoNhomDTRepo.GetById(id);
                    if (obj != null)
                    {
                        obj.MA_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "STT"), "");
                        obj.MA_TK = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_TK"), "");
                        obj.TEN_DM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_DM"), "");
                        obj.DON_VI = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DON_VI"), "");
                        obj.MA_NHOM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "MA_NHOM"), "");
                        obj.TEN_NHOM = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "TEN_NHOM"), "");
                        obj.DANH_DAU = Utils.CStrDef(view.GetRowCellValue(e.RowHandle, "DANH_DAU"), "");
                        obj.DGBAN1 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN1"), 0);
                        obj.DGBAN2 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN3"), 0);
                        obj.DGBAN4 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN4"), 0);
                        obj.DGBAN5 = Utils.CDblDef(view.GetRowCellValue(e.RowHandle, "DGBAN5"), 0);

                        _KTDGBTheoNhomDTRepo.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)
                {
                    _KTDGBTheoNhomDTRepo = new KTDGBTheoNhomDTRepo();
                    KT_DGBTheoNhomDT obj = new KT_DGBTheoNhomDT();

                    obj.MA_DM = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "STT"), "");
                    obj.MA_TK = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "MA_TK"), "");
                    obj.TEN_DM = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "TEN_DM"), "");
                    obj.DON_VI = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DON_VI"), "");
                    obj.MA_NHOM = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "MA_NHOM"), "");
                    obj.TEN_NHOM = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "TEN_NHOM"), "");
                    obj.DANH_DAU = Utils.CStrDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DANH_DAU"), "");
                    obj.DGBAN1 = Utils.CDblDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DGBAN1"), 0);
                    obj.DGBAN2 = Utils.CDblDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DGBAN2"), 0);
                    obj.DGBAN3 = Utils.CDblDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DGBAN3"), 0);
                    obj.DGBAN4 = Utils.CDblDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DGBAN4"), 0);
                    obj.DGBAN5 = Utils.CDblDef(gridView1.GetRowCellValue(gridView1.FocusedRowHandle, "DGBAN5"), 0);

                    _KTDGBTheoNhomDTRepo.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_DGBTheoNhomDT(KT_DGBTheoNhomDT instance);
 partial void DeleteKT_DGBTheoNhomDT(KT_DGBTheoNhomDT instance);
 partial void InsertKT_DGBTheoNhomDT(KT_DGBTheoNhomDT instance);