private void Updata()
 {
     Lots.Clear();
     Bargaes.Clear();
     Lots    = DataBaseService.LoadLotsFromDataBase();
     Bargaes = DataBaseService.LoatBargaesFromDataBase();
 }
 public AdministrationViewModel()
 {
     try
     {
         Lots    = DataBaseService.LoadLotsFromDataBase();
         Users   = DataBaseService.LoadUsersFromDataBase();
         Bargaes = DataBaseService.LoatBargaesFromDataBase();
     }
     catch (Exception exp)
     {
         MessageBox.Show(exp.Message);
     }
 }
 public LotInfoViewModel()
 {
     Lots          = DataBaseService.LoadLotsFromDataBase();
     user          = DataBaseService.GetUserInfo(currentUser.login);
     Bargaes       = DataBaseService.LoatBargaesFromDataBase();
     selectedBarga = new Bargaining();
     summa         = 0;
     TimeLeft      = "";
     Task.Factory.StartNew(() =>
     {
         while (true)
         {
             Task.Delay(1000).Wait();
             timer();
         }
     });
 }