jqgrid Posting Jqgrid Data back to Action class
===

    var mydata = $("#list").jqGrid('getGridParam','data');
    var paras=new Array();
    for(var i=0;i<mydata.length;i++){
		var row=mydata[i];
		paras.push($.param(row));
	 }
	paras = paras.join('&');
   jQuery("#list").jqGrid('setGridParam',{postData:paras});

$("#list").jqGrid('setGridParam',{url:'portfolioStValidate.action'}).trigger('reloadGrid');

I am in a urgent need of help related to jqgrid.. i have a requirement i have created a jqgrid where user can edit the rows and save the complete set of data back to database ..
for passing jqgrid data back to java action class i am using below code 
i am not getting all the records back to my Java class.. my grid has 42 columns and around 800 rows .
In my Java Action i am always getting only 271 rows.
Please .. Thanks in Advance