public void DeleteAttributeByAttributeSetID(int attributeSetId, int groupId, int attributeId, int storeId, int portalId, string userName)
 {
     try
     {
         ItemAttributesManagementSqlProvider obj = new ItemAttributesManagementSqlProvider();
         obj.DeleteAttribute(attributeSetId, groupId, attributeId, storeId, portalId, userName);
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }