async void db()
{
ctx = new AutoMgrSvc.AutoMgrDbEntities(new Uri("http://192.168.0.101:23796/Service/AutoMgrDbSvc.svc/"));
//AutoMgrSvc.inventory inventory = new AutoMgrSvc.inventory();
//var goods = from g in ctx.goods where g.id < 100 select g;
//foreach (var gg in goods)
//{
// if (gg.id == 1100)
// break;
//}
//inventories = new DataServiceCollection<AutoMgrSvc.inventory>();
//inventories.LoadCompleted += new EventHandler<LoadCompletedEventArgs>(complete);
//var query = from inv in ctx.inventory select inv;
//inventories.LoadAsync(query);
////inventories.Load(from inv in ctx.inventory select inv);
////foreach (var inv in inventories)
////{
//// int i = inv.id;
////}
goodses = new DataServiceCollection <AutoMgrSvc.goods>();
//goodses.LoadCompleted += new EventHandler<LoadCompletedEventArgs>(goods_complete);
var qry = (from goods in ctx.goods.Expand("shelf") select goods).Skip(1).Take(10);
await goodses.AsyncQuery(qry);
//goodses.LoadAsync(qry);
foreach (var goods in goodses)
{
int i = goods.id;
}
}
protected async override Task <IList <object> > LoadMoreItemsOverrideAsync(System.Threading.CancellationToken c, uint count)
{
DataServiceCollection <T> results = new DataServiceCollection <T>();
await results.AsyncQuery(_query.Skip(_skip).Take((int)count));
System.Diagnostics.Debug.WriteLine("count:{0}, cnt:{1}", count, _cnt);
//results.LoadCompleted += new EventHandler<LoadCompletedEventArgs>((sender, e) =>
//{
// if (e.Error == null)
// {
// if (results.Continuation != null)
// {
// results.LoadNextPartialSetAsync();
// }
// }
//});
//results.LoadAsync(_query);
//var rtn = from j in results select j;
_skip += (int)count;
_hasMoreItems = results.Count >= count ? true : false;
_cnt++;
List <object> aa = new List <object>();
foreach (var result in results)
{
aa.Add(result);
}
return(aa);
}