Changed checkNull methot of postorderactivity.java to check null with ignore case

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@196680 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-dis/ibase/webitm/ejb/dis/PostOrderActivity.java

@@ -2999,7 +2999,9 @@ public class PostOrderActivity {
 	{
 		//Modified by Anjali R. on[12/11/2018][Start]
 		//if(str == null)
-		if(str == null || "NULL".equals(str))
+		// Modified by Piyush on 04/02/2019 [To check null with ignorecase
+		// if(str == null || "NULL".equals(str))
+		if(str == null || "NULL".equalsIgnoreCase(str))
 		//Modified by Anjali R. on[12/11/2018][End]
 		{
 			return "";