Form 1:

DataTable Sam_Result_DT = new DataTable();

/* Sort Datatable Result Value*\

Sam_Result_DT.DefaultView.Sort = "cPartNumber";
/*Add Datatable Value to Session *\

Session.Add("CompareResult", Sam_Result_DT);
grdFinalResult.DataSource = Sam_Result_DT.DefaultView;
grdFinalResult.DataBind();

Form 2:

 DataTable dt_CompareResult = new DataTable();
/*Assign Session value to Datatable*\
 dt_CompareResult = (DataTable)Session["CompareResult"];
 dt_CompareResult.DefaultView.Sort = "cPartNumber";
 grdData.DataSource = dt_CompareResult.DefaultView;
 grdData.DataBind();