void LoadMoreItems(uint count, int baseIndex)
{
BackgroundWorker worker = new BackgroundWorker();
//worker.RunWorkerAsync ();
worker.DoWork += (o, ae) =>
{
DataServiceQuery <Order> query = northwindEntity.Orders.Expand("Customer");
query = query.Skip <Order>(baseIndex).Take <Order>(50) as DataServiceQuery <Order>;
IAsyncResult ar = query.BeginExecute(null, null);
var items = query.EndExecute(ar);
var list = items.ToList();
Android.OS.Handler mainHandler = new Android.OS.Handler(Android.OS.Looper.MainLooper);
Java.Lang.Runnable myRunnable = new Java.Lang.Runnable(() =>
{
GridSource.LoadItems(list);
});
mainHandler.Post(myRunnable);
};
worker.RunWorkerCompleted += (o, ae) =>
{
IsBusy = false;
};
IsBusy = true;
worker.RunWorkerAsync();
}
// Private method that returns the page-specific query.
private DataServiceQuery <Title> GetQuery()
{
// Get a query for the Titles feed from the context.
DataServiceQuery <Title> query = _context.Titles;
if (_currentPage == 0)
{
// If this is the first page, then also include a count of all titles.
query = query.IncludeTotalCount();
}
// Add paging to the query.
query = query.Skip(_currentPage * _pageSize)
.Take(_pageSize) as DataServiceQuery <Title>;
return(query);
}
void LoadMoreItems(uint count, int baseIndex)
{
BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += (o, ae) => {
DataServiceQuery <Order> query = northwindEntity.Orders.Expand("Customer");
query = query.Skip <Order> (baseIndex).Take <Order> (15) as DataServiceQuery <Order>;
IAsyncResult ar = query.BeginExecute(null, null);
var items = query.EndExecute(ar);
var list = items.ToList();
DispatchQueue.MainQueue.DispatchAsync(new Action(() => {
GridSource.LoadItems(list);
}));
};
worker.RunWorkerCompleted += (o, ae) => {
IsBusy = false;
UIView.Animate(2, () => {
for (int i = 5; i < 0; i--)
{
LoaderBorder.Alpha = i - 0.1f;
}
LoaderBorder.Hidden = true;
});
this.LoaderIndicator.StopAnimating();
this.LoaderIndicator.HidesWhenStopped = true;
this.LoaderLable.Hidden = true;
};
IsBusy = true;
{
this.LoaderLable.Hidden = false;
LoaderBorder.Hidden = false;
UIView.Animate(2, () => {
this.LoaderIndicator.StartAnimating();
});
}
worker.RunWorkerAsync();
}
void LoadMoreItems(uint count, int baseIndex)
{
BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += (o, ae) =>
{
DataServiceQuery <Order> query = northwindEntity.Orders.Expand("Customer");
query = query.Skip <Order>(baseIndex).Take <Order>(50) as DataServiceQuery <Order>;
IAsyncResult ar = query.BeginExecute(null, null);
var items = query.EndExecute(ar);
var list = items.ToList();
Application.Current.Dispatcher.Invoke(new Action(() => { GridSource.LoadItems(list); }));
};
worker.RunWorkerCompleted += (o, ae) =>
{
IsBusy = false;
};
IsBusy = true;
worker.RunWorkerAsync();
}
async Task <IList <Order> > LoadMoreItems(CancellationToken c, uint count, int baseIndex)
{
IList <Order> list = null;
IsBusy = true;
await Task.Run(new Action(() =>
{
DataServiceQuery <Order> query = northwindEntity.Orders.Expand("Customer");
query = query.Skip <Order>(baseIndex).Take <Order>(50) as DataServiceQuery <Order>;
try
{
IAsyncResult ar = query.BeginExecute(null, null);
var items = query.EndExecute(ar);
list = items.ToList();
}
catch (Exception)
{
}
}));
IsBusy = false;
return(list);
}
