private static void DataServiceCollectionTrackingItems(
DataServiceContextWrapper <DefaultContainer> contextWrapper)
{
var query = from p in contextWrapper.Context.Customer
where p.CustomerId > -100000
// try to get many for paging
select new Customer()
{
CustomerId = p.CustomerId,
Name = p.Name
};
DataServiceCollection <Customer> collection = new DataServiceCollection <Customer>(query);
// the collection to track items
int tmpCount = collection.Count;
collection.Load(contextWrapper.Context.Execute(collection.Continuation));
// for testing newly loaded item's tracking
Assert.IsTrue(collection.Count > tmpCount, "Should have loaded another page.");
bool someItemNotTracked = false;
collection.ToList().ForEach(s =>
{
s.Name = "value to test tracking";
EntityStates state = contextWrapper.Context.GetEntityDescriptor(s).State;
someItemNotTracked = (state == EntityStates.Unchanged) || someItemNotTracked;
});
Assert.IsFalse(someItemNotTracked, "All items should have been tracked.");
}
private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
DataServiceCollection<SampleData> sampleDataCollection;
var context = CloudStorageContext.Current.Resolver.CreateTableServiceContext();
sampleDataCollection = new DataServiceCollection<SampleData>(context);
sampleDataCollection.LoadCompleted += (s2, e2) =>
{
List<SampleData> cloudNotes = sampleDataCollection.ToList();
ListPics.ItemsSource = cloudNotes;
};
var tableUri = new Uri(
string.Format(
CultureInfo.InvariantCulture,
"{0}/{1}()",
context.BaseUri,
"pics"),
UriKind.Absolute);
sampleDataCollection.Clear();
sampleDataCollection.LoadAsync(tableUri);
}
private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
DataServiceCollection <SampleData> sampleDataCollection;
var context = CloudStorageContext.Current.Resolver.CreateTableServiceContext();
sampleDataCollection = new DataServiceCollection <SampleData>(context);
sampleDataCollection.LoadCompleted += (s2, e2) =>
{
List <SampleData> cloudNotes = sampleDataCollection.ToList();
ListPics.ItemsSource = cloudNotes;
};
var tableUri = new Uri(
string.Format(
CultureInfo.InvariantCulture,
"{0}/{1}()",
context.BaseUri,
"pics"),
UriKind.Absolute);
sampleDataCollection.Clear();
sampleDataCollection.LoadAsync(tableUri);
}
private static void DataServiceCollectionTrackingItems(
DataServiceContextWrapper<DefaultContainer> contextWrapper)
{
var query = from p in contextWrapper.Context.Customer
where p.CustomerId > -100000
// try to get many for paging
select new Customer()
{
CustomerId = p.CustomerId,
Name = p.Name
};
DataServiceCollection<Customer> collection = new DataServiceCollection<Customer>(query);
// the collection to track items
int tmpCount = collection.Count;
collection.Load(contextWrapper.Context.Execute(collection.Continuation));
// for testing newly loaded item's tracking
Assert.IsTrue(collection.Count > tmpCount, "Should have loaded another page.");
bool someItemNotTracked = false;
collection.ToList().ForEach(s =>
{
s.Name = "value to test tracking";
EntityStates state = contextWrapper.Context.GetEntityDescriptor(s).State;
someItemNotTracked = (state == EntityStates.Unchanged) || someItemNotTracked;
});
Assert.IsFalse(someItemNotTracked, "All items should have been tracked.");
}
private void fetchData(string filter, Action<List<Post>> callback)
{
StackOverflow.StackOverflow context = new StackOverflow.StackOverflow(new System.Uri("https://odata.sqlazurelabs.com/OData.svc/v0.1/rp1uiewita/StackOverflow"));
var query = from t in context.Posts
where t.Tags.Contains("Silverlight") && t.Score > 5
select t;
if (!String.IsNullOrWhiteSpace(filter))
query = query.Where(t => t.Body.Contains(filter) || t.Title.Contains(filter));
DataServiceCollection<Post> posts = new DataServiceCollection<Post>();
posts.LoadCompleted += (s, e) =>
{
if (e.Error != null)
throw e.Error;
callback(posts.ToList());
};
posts.LoadAsync(query.OrderByDescending(t => t.CreationDate).Take(30));
}
