This is resolved,
add FetchXMl to grid
Xrm.Page.getControl('ProductsList')._control.get_innerControl()._element.control.SetParameter("fetchxml",FetchXml);
// Refresh the grid
Xrm.Page.getControl('ProductsList').refresh()
Thanks Regards Prashanth Kamasamudram Even the least work done for others awakens the power within; even thinking the least good of others gradually instills into the heart the strength of a lion.