Class QueryableDataServiceCollectionView<TEntity>

Represents a view for accessing and manipulating strongly-typed data provided by a DataServiceContext.

Inheritance
System.Object
QueryableCollectionView
QueryableDataServiceCollectionViewBase
QueryableDataServiceCollectionView<TEntity>
Inherited Members
Namespace: Telerik.Windows.Data
Assembly: Telerik.Windows.Controls.DataServices.dll

Syntax

public class QueryableDataServiceCollectionView<TEntity> : QueryableDataServiceCollectionViewBase, IEditableCollectionViewAddNewItem, IEditableCollectionView, ICollectionView, INotifyCollectionChanged, INotifyPropertyChanged, IPagedCollectionView, IWeakEventListener<NotifyCollectionChangedEventArgs>, IWeakEventListener<CurrentChangingEventArgs>, IQueryableCollectionView, IItemProperties, IDisposable, IEnumerable<TEntity>, IEnumerable where TEntity : class, INotifyPropertyChanged
Type Parameters
TEntity

The type of the entity.

Constructors

QueryableDataServiceCollectionView(DataServiceContext, DataServiceQuery<TEntity>)

Initializes a new instance of the QueryableDataServiceCollectionView<TEntity> class.

Declaration
public QueryableDataServiceCollectionView(DataServiceContext dataServiceContext, DataServiceQuery<TEntity> dataServiceQuery)
Parameters
System.Data.Services.Client.DataServiceContext dataServiceContext

The DataServiceContext.
System.Data.Services.Client.DataServiceQuery<TEntity> dataServiceQuery

The DataServiceQuery.
Remarks

The only supported DataServiceContext.MergeOption is MergeOption.OverwriteChanges. Setting the MergeOption to anything else will result in an InvalidOperationException.

Properties

DataServiceQuery

Gets the data service query.

Declaration
public DataServiceQuery<TEntity> DataServiceQuery { get; }
Property Value
System.Data.Services.Client.DataServiceQuery<TEntity>

The data service query.

Methods

CreateInternalList()

Called when internal list needs to be created.

Declaration
protected override void CreateInternalList()
Overrides

CreateView()

Returns System.Linq.IQueryable with applied filtering, sorting, grouping and paging.

Declaration
protected override IQueryable CreateView()
Returns
System.Linq.IQueryable

Overrides

GetEffectiveItemCount()

Gets the count of items depending on the page and/or grouped state.

Declaration
protected override int GetEffectiveItemCount()
Returns
System.Int32

The count of items.
Overrides

OnFilterDescriptorsCollectionChanged(Object, NotifyCollectionChangedEventArgs)

Invoked when the FilterDescriptors collection changes.

Declaration
protected override void OnFilterDescriptorsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
Parameters
System.Object sender

Current instance of the QueryableCollectionView collection.
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

Information about the change.
Overrides

OnFilterDescriptorsItemChanged(Object, ItemChangedEventArgs<IFilterDescriptor>)

Invoked when the FilterDescriptors item changes.

Declaration
protected override void OnFilterDescriptorsItemChanged(object sender, ItemChangedEventArgs<IFilterDescriptor> e)
Parameters
System.Object sender

Current instance of the QueryableCollectionView collection.
ItemChangedEventArgs<IFilterDescriptor> e

Information about the change.
Overrides

OnFilterDescriptorsLogicalOperatorChanged()

Invoked when the FilterDescriptors logical operator changes.

Declaration
protected override void OnFilterDescriptorsLogicalOperatorChanged()
Overrides

OnGroupDescriptorsCollectionChanged(Object, NotifyCollectionChangedEventArgs)

Invoked when the Telerik.Windows.Data.QueryableCollectionView.roupDescriptors collection changes.

Declaration
protected override void OnGroupDescriptorsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
Parameters
System.Object sender

Current instance of the QueryableCollectionView collection.
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

Information about the change.
Overrides

OnGroupDescriptorsItemChanged(Object, ItemChangedEventArgs<IGroupDescriptor>)

Invoked when the GroupDescriptors item changes.

Declaration
protected override void OnGroupDescriptorsItemChanged(object sender, ItemChangedEventArgs<IGroupDescriptor> e)
Parameters
System.Object sender

Current instance of the QueryableCollectionView collection.
ItemChangedEventArgs<IGroupDescriptor> e

Information about the change.
Overrides

OnSortDescriptorsCollectionChanged(Object, NotifyCollectionChangedEventArgs)

Invoked when the SortDescriptors collection changes.

Declaration
protected override void OnSortDescriptorsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
Parameters
System.Object sender

Current instance of the QueryableCollectionView collection.
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

Information about the change.
Overrides

OnSortDescriptorsItemChanged(Object, ItemChangedEventArgs<ISortDescriptor>)

Invoked when the SortDescriptors item changes.

Declaration
protected override void OnSortDescriptorsItemChanged(object sender, ItemChangedEventArgs<ISortDescriptor> e)
Parameters
System.Object sender

Current instance of the QueryableCollectionView collection.
ItemChangedEventArgs<ISortDescriptor> e

Information about the change.
Overrides

UpdateTotalItemCount()

Called when the count of all items should be updated.

Declaration
protected override void UpdateTotalItemCount()
Overrides

Extension Methods