/// <summary>
/// Evaluate the query and repopulate our collection with the results.
/// </summary>
private async void EvaluateQueryAsync()
{
// Invoke the query on the server and get our data
TotalCountEnumerable <T> data = await MobileServiceTable <T> .EvaluateQueryAsync <T>(this.table, this.query) as TotalCountEnumerable <T>;
// Reset the collection with the new data
this.data.Clear();
this.data.AddRange(data);
this.totalCount = data.TotalCount;
this.OnCollectionChanged(
new NotifyCollectionChangedEventArgs(
NotifyCollectionChangedAction.Reset));
}
/// <summary>
/// Evaluates the query and adds the result to the collection.
/// </summary>
/// <param name="token">A token to cancel the operation.</param>
/// <param name="query">The query to evaluate.</param>
/// <returns>A task representing the ongoing operation.</returns>
protected async virtual Task <int> ProcessQueryAsync(CancellationToken token, IMobileServiceTableQuery <TTable> query)
{
// Invoke the query on the server and get our data
TotalCountEnumerable <TTable> data = await query.ToEnumerableAsync() as TotalCountEnumerable <TTable>;
//check for cancellation
if (token.IsCancellationRequested)
{
throw new OperationCanceledException();
}
foreach (var item in this.PrepareDataForCollection(data))
{
this.Add(item);
}
this.TotalCount = data.TotalCount;
return(data.Count());
}
