RowNumber for JQgrid

In order to set  rowNumber for JQgrid

• rownumbers is to be set as true
• rownumWidth can be set for width  customization of the rowNumber field

By default this column gets added as left most field in grid .Thie following code snippet can be  modified to set the rowNumbers at certain position.
Slice method can be used to achieve it.
if(this.p.rownumbers)
{
this.p.colNames.unshift("");
this.p.colModel.unshit({name:'rn',width:ts.p.rownumWidth,sortable:false,resizable:false,hidedlg:true,search:false,align:'center',fixed:true});
}