让DataGrid拥有单击回传事件并带回指定字段的值[18]

        }

        //private method

        private void selectpostbackdatagrid_itemdatabound(object sender, datagriditemeventargs e)

        {

            if (!allowselectpostback)

                return;

            if (e.item.itemtype == listitemtype.item || e.item.itemtype == listitemtype.alternatingitem || e.item.itemtype == listitemtype.selecteditem)

            {

                string argstring = e.item.itemindex.tostring();

                if (selectpostbackdatafield != null)

                    argstring += "_" + databinder.eval(e.item.dataitem, selectpostbackdatafield).tostring();