.MainTableDataSource(dataSource =>
            {
                var ctx = new clearanceEntities();
                var list = (from c in ctx.CLEARANCE_COST
                            join r in ctx.CLEARANCE_REQUEST on
                                c.REQUEST_ID equals r.REQUEST_ID
                            where c.REQUEST_ID == 3
                            select new
                            {
                                CostName = c.COST_TYPES.COST_NAME,
                                CostAmount = c.COST_AMOUNT,
                               

                            }).ToList();

                dataSource.StronglyTypedList(list);
            })
            
            .MainTableColumns(columns =>
            {
                columns.AddColumn(column =>
                {
                    column.PropertyName("rowNo");
                    column.IsRowNumber(true);
                    column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                    column.IsVisible(true);
                    column.Order(0);
                    column.Width(1);
                    column.HeaderCell("#");
                });

                

                columns.AddColumn(column =>
                {
                    column.PropertyName<CLEARANCE_COST>(x =>x.COST_TYPES.COST_NAME);
                    column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                    column.IsVisible(true);
                    column.Order(1);
                    column.Width(3);
                    column.HeaderCell("توضیحات");
                });

                columns.AddColumn(column =>
                {
                    column.PropertyName<CLEARANCE_COST>(x=>x.REMARK);
                    column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                    column.IsVisible(true);
                    column.Order(2);
                    column.Width(3);
                    column.HeaderCell("شماره فیش بانکی/سند");
                });

                columns.AddColumn(column =>
                {
                    column.PropertyName<CLEARANCE_COST>(x => x.COST_AMOUNT);
                    column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                    column.IsVisible(true);
                    column.Order(3);
                    column.Width(2);
                    column.HeaderCell("مبلغ");
                   
                });

            })
            .MainTableEvents(events =>
            {
                events.DataSourceIsEmpty(message: "There is no data available to display.");
            })