public RealtyPagination(long userId)
 {
     offset = 0;
     using (RealtyRepo realtyRepo = new RealtyRepo())
     {
         totalNumberOfItems = (long)realtyRepo.ExecuteScalar("SELECT COUNT(*) FROM realty");
     }
     this.userId = userId;
     InitializeComponent();
     ReplaseItems(5);
 }
 private void ReplaseItems(int numberOfItems)
 {
     RealtyList.Items.Clear();
     using (RealtyRepo realtyRepo = new RealtyRepo())
     {
         List <Realty> realties = realtyRepo.GetByOwner(userId, numberOfItems, offset);
         foreach (Realty r in realties)
         {
             RealtyList.Items.Add(new RealtyInfo(r));
         }
     }
 }