Added null check for dataList and column list
Added null check for dataList and column list


SVN-Revision: 7038

asamgir/openspecimen,NCIP/catissue-core,asamgir/openspecimen,krishagni/openspecimen,krishagni/openspecimen,NCIP/catissue-core,NCIP/catissue-core,krishagni/openspecimen,asamgir/openspecimen