function pagerFilter(data){
            if (typeof data.length == 'number' && typeof data.splice == 'function'){    // 判斷資料是否是陣列
                data = {
                    total: data.length,
                    rows: data
                }
            }
            var dg = $(this);
            var opts = dg.datagrid('options');
            var pager = dg.datagrid('getPager');
            pager.pagination({
                onSelectPage:function(pageNum, pageSize){
                    opts.pageNumber = pageNum;
                    opts.pageSize = pageSize;
                    pager.pagination('refresh',{
                        pageNumber:pageNum,
                        pageSize:pageSize
                    });
                    dg.datagrid('loadData',data);
                }
            });
            if (!data.originalRows){
                data.originalRows = (data.rows);
            }
            var start = (opts.pageNumber-1)*parseInt(opts.pageSize);
            var end = start + parseInt(opts.pageSize);
            data.rows = (data.originalRows.slice(start, end));
            return data;
        }
 

在datagrid的初始化中，屬性加上

loadFilter:pagerFilter,

 pagination: true

實現前臺分頁