Merge Cells for DataGrid 合并单元格

只适合不分页的固定行列的表格

<script type="text/javascript">
        function onLoadSuccess(data){
            var merges = [{
                index: ,
                rowspan:
            },{
                index: ,
                rowspan:
            },{
                index: ,
                rowspan:
            }];
            for(var i=; i<merges.length; i++){
                $(this).datagrid('mergeCells',{
                    index: merges[i].index,
                    field: 'productid',
                    rowspan: merges[i].rowspan
                });
            }
        }
    </script>