null avoided in tax_class and tax_chap column while generating credit note

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@95560 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-fin/ibase/webitm/ejb/fin/adv/CalculateCommission.java

@@ -920,7 +920,8 @@ public class CalculateCommission
 						rs = null;
 						pstmt.close();
 						pstmt = null;
-
+						taxClass  = (taxClass == null ? "" : taxClass);
+						taxChap  = (taxChap== null ? "" : taxChap);
 						sql = " select cr_days  from crterm where cr_term = ?";	
 						pstmt = conn.prepareStatement(sql);
 						pstmt.setString(1, crTerm);
@@ -2497,7 +2498,8 @@ public class CalculateCommission
 					rs = null;
 					pstmt.close();
 					pstmt = null;
-
+					taxClass  = (taxClass== null ? "" : taxClass);
+					taxChap  = (taxChap== null ? "" : taxChap);
 					sql = " select cr_days  from crterm where cr_term = ?";	
 					pstmt = conn.prepareStatement(sql);
 					pstmt.setString(1, crTerm);