In sales return Set exp_date ,mfg_Date and Cost_rate from item_lot_info table...

In  sales return Set exp_date ,mfg_Date and Cost_rate from item_lot_info table on lot no item Change and added validation 1. on cost rate column Cost Rate should not be negative or null 2.on lot_no column  if lot no not found in item_lot_info for that item then system not allow to save transaction

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@193141 ce508802-f39f-4f6c-b175-0d175dae99d5