private async Task PageAppearingAsync()
 {
     AllTenants.Clear();
     await SetBusyAsync(async() =>
     {
         var allTenants = await _tenantAppService.GetAllTenants();
         foreach (var tenant in allTenants)
         {
             AllTenants.Add(tenant);
         }
     }, "LoadingCity".Translate());
 }