Try first to disable grouping in order to see if this will work. If not chack your data and how is builded.

The : var networkIp should be array which elements are objects.

Use FireFox FireBug to see the error.

Regards

My browser getting vrashed while i try to load an array with values around 560. Below is my code for the same

networkIp  will have array.

$.each(Networklist, function(key, networkIps) {           

var networkIp  = {
                        "ip" : networkIps["ip"],
                        "subnet" : networkIps["subnet"],
                        "datacenter" : networkIps["datacenter"]["name"],
                        "type" : type,
                        "status" :  networkIps["status"]
                    }

}

            jQuery("#networkIp").jqGrid({
                data : networkIpList,
                datatype : "local",
                height : listPageTabheight,
                shrinkToFit:false,
                altRows :true,
                width :  1200
                rowNum : 1000,
                owList : [10, 20, 30],
                colNames : ['IP', 'Subnet', 'Datacenter', 'Type', 'Status'],
                colModel : [{
                    name : 'ip',
                    index : 'ip',
                    width:100,
                    sorttype : "string"
                }, {
                    name : 'subnet',
                    index : 'subnet',
                    width:200,
                    sorttype : "string"
                }, {
                    name : 'datacenter',
                    index : 'datacenter',
                    width : 100,
                    sorttype : "string"
                }, {
                    name : 'type',
                    index : 'type',
                    width : 70,
                    sorttype : "string"
                }, {
                    name : 'status',
                    index : 'status',
                    sorttype : "string"
                }],
                 
                viewrecords : true,
                sortname : 'datacenter',
                grouping : true,
                groupingView : {
                    groupField : ['type'],
                    groupColumnShow : [true],
                    groupText : ['<b>{0} ({1} Items)</b>'],
                    groupCollapse : true,
                    groupOrder : ['asc', 'desc'],
                    groupSummary : [true],
                    groupDataSorted : true
                },
              
                caption : "Network"
            });

Do you have any idea regarding this