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jqGrid lazy loading paging data

Tags: jqgrid paging lazy loading

28/06/2013
17:48

springuser

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Forum Posts: 2

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28/06/2013

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I have a requirement to display 2000 records and display only 20 per page. Pagination should help navigate to rest of the pages. This is the normal behaviour and I could able to do that.

But Not all 2000 records are available at same time. I want jqGrid send request to server when user clicks in paging to render the next page data. Initiall I will provide 20 (per page) records and total count json object. I tried to provide the total records and page number in jsonReader attribute, but jqGrid shows the pagination based on actual data provided.

How this lazy loading works with jqGrid, and any working examples would help.

-springuser

28/06/2013
18:12

springuser

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28/06/2013

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here is my sample code I copied from demo's. Still it doesn't work. data in rows and pagination links is not beeing displayed properly.

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1″>
<title>jqGrid</title>

       $(document).ready(function () {


           var myData = {
                   "page":"2″,
                   "total":2,
                   "records":"13″,
                   "rows":[
                       {"id":"3",
                       "cell":["3","2007-10-02","Client 2","300.00","60.00","360.00","note invoice 3 & and amp test"]},
                       {"id":"2″,
                       "cell":["2","2007-10-03","Client 1","200.00","40.00","240.00","note 2"]},
                       {"id":"1″,
                       "cell":["1","2007-10-01","Client 1","100.00","20.00","120.00","note 1"]}
                       ],
                   "userdata":{"amount":600,"tax":120,"total":720,"name":"Totals:"}
               },grid = $("#list2″);



               jQuery("#list2″).jqGrid({
                           //url:'server.php?q=2',
                           datatype: "json",

                           datatype:'local',
                            data: myData.rows,

                           colNames:['Inv No','Date', 'Client', 'Amount','Tax','Total','Notes'],
                           colModel:[ {name:'id',index:'id', width:55},
                                       {name:'invdate',index:'invdate', width:90},
                                       {name:'name',index:'name asc, invdate', width:100},
                                       {name:'amount',index:'amount', width:80, align:"right"},
                                       {name:'tax',index:'tax', width:80, align:"right"},
                                       {name:'total',index:'total', width:80,align:"right"},
                                       {name:'note',index:'note', width:150, sortable:false}
                                      ],
                           rowNum:10,
                           rowList:[10,20,30],
                           pager: '#pager2',
                           sortname: 'id',
                           viewrecords: true,
                           sortorder: "desc",
                           caption:"JSON Example"
               });
               jQuery("#list2″).jqGrid('navGrid','#pager2',{edit:false,add:false,del:false});
       });   // $(document).ready(function () {


   </script>

   </head>
   <body>

   <hr>

   </body>
   </html>

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