private void FillStates() { DropdownBL objdropdownBL = new DropdownBL(); DataSet dsDropDown = new DataSet(); try { if (Session["DsDropDown"] == null) { dsDropDown = objdropdownBL.Usp_Get_DropDown(); Session["DsDropDown"] = dsDropDown; } else { dsDropDown = (DataSet)Session["DsDropDown"]; } grdAssign.DataSource = dsDropDown.Tables[1]; grdAssign.DataBind(); } catch (Exception ex) { } }