easyui grid中翻页多选方法

<table class="easyui-datagrid" title="人员选择" id="dg"
       data-options="singleSelect:false,toolbar:'#toolbar',pagination:false,fit:true,
                onSelect:function(rowIndex,rowData){
                    var iflag=0;
                    if(selceids.length<1){
                        selceids.push(rowData.TrueName);
                    }else{
                        for (var i=0 ; i < selceids.length ; i++){
                            if(rowData.TrueName===selceids[i]){
                                iflag=1;
                                break;
                            }
                         }
                        if(iflag===0){
                            selceids.push(rowData.TrueName);
                        }
                   }
                },
                onSelectAll:function(rows){
                var iflag=0;
         for(var j=0;j<rows.length;j++){
         if(selceids.length<1){
             selceids.push(rows[j].TrueName);
         }else{
         for (var i=0 ; i < selceids.length ; i++){
           if(rows[j].TrueName===selceids[i]){
             iflag=1;
             break;
           }
         }
         if(iflag===0){
             selceids.push(rows[j].TrueName);
         }
         }}
         },
         onUnselect:function(rowIndex,rowData){
              for (var i=0 ; i < selceids.length ; i++ ){
                  if(rowData.TrueName===selceids[i]){
                        selceids.splice(i,1);
                      break;
                   }
              }
         },
        onUnselectAll:function(rows){
             for(var j=0;j<rows.length;j++){
              for (var i=0 ; i < selceids.length ; i++ ){
                  if(rows[i].TrueName===selceids[i]){
                        selceids.splice(i,1);
                      break;
                   }
              }
            }
         },onLoadSuccess:function(row){//当表格成功加载时执行
             var rowData = row.rows;
                $.each(rowData,function(idx,val){//遍历JSON
                      for (var i=0 ; i < selceids.length ; i++ ){

                              if(val.TrueName===selceids[i]){
                                     $('#dg').datagrid('selectRow', idx);
                               }
                       }

                });
            }">
    <thead>
        <tr>
            <th data-options="field:'ID',checkbox:true">ID</th>            
            <th data-options="field:'TrueName',width:80">真实名</th>
        </tr>
    </thead>
</table>

记性差，做个标记。