public bool CheckUniqueAttributeName(string attributeName, int attributeId, int storeId, int portalId, string cultureName)
 {
     try
     {
         AttributeSqlProvider obj = new AttributeSqlProvider();
         return obj.CheckUniqueName(attributeName, attributeId, storeId, portalId, cultureName);
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }