public int Upd(CategoryLevel1_CategoryLevel2 aCategoryLevel1_CategoryLevel2)
 {
     try
     {
         aDatabaseDA.CategoryLevel1_CategoryLevel2.AddOrUpdate(aCategoryLevel1_CategoryLevel2);
         return(aDatabaseDA.SaveChanges());
     }
     catch (Exception ex)
     {
         throw new Exception(String.Format("CategoryLevel1_CategoryLevel2BO.Upd: {0}", ex.Message));
     }
 }
 public int Del(CategoryLevel1_CategoryLevel2 aItem)
 {
     this.aDatabaseDA.CategoryLevel1_CategoryLevel2.Remove(aItem);
     return(aDatabaseDA.SaveChanges());
 }