Add CheckNull for preAssign Variable.

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@179185 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-dis/ibase/webitm/ejb/dis/adv/PorderConf.java

@@ -3070,7 +3070,7 @@ public class PorderConf extends ActionHandlerEJB implements PorderConfLocal, Por
 				rs.close();rs = null;
 				pstmt.close();pstmt = null;
 				
-				if("A".equalsIgnoreCase(preAssignLot.trim()))
+				if("A".equalsIgnoreCase(checkNull(preAssignLot.trim())))//Added CheckNull By PriankaC on 25JAN18.
 				{
 					sql = "select key_string from transetup where upper(tran_window) = 'PURC_LOT_NO' " ;
 					pstmt = conn.prepareStatement(sql);