Class RadEntityFrameworkDataSource

Provides an object for loading, paging, filtering, sorting, and editing entities coming from Entity Framework's ObjectContext.

Inheritance
System.Object
RadEntityFrameworkDataSource
Namespace: Telerik.Windows.Controls
Assembly: Telerik.Windows.Controls.EntityFramework.dll

Syntax

[TelerikToolboxCategory("Data")]
public class RadEntityFrameworkDataSource : Control

Constructors

RadEntityFrameworkDataSource()

Initializes a new instance of the RadEntityFrameworkDataSource class.

Declaration
public RadEntityFrameworkDataSource()

Fields

ObjectContextProperty

Identifies ObjectContext dependency property.

Declaration
public static readonly DependencyProperty ObjectContextProperty
Field Value
System.Windows.DependencyProperty

QueryNameProperty

Identifies QueryName dependency property.

Declaration
public static readonly DependencyProperty QueryNameProperty
Field Value
System.Windows.DependencyProperty

Properties

DataView

Gets the current view of entities resulting from the last load operation, using a DataItemCollection.

Declaration
public DataItemCollection DataView { get; }
Property Value
DataItemCollection

The current view of entities resulting from the last load operation.

FilterDescriptors

Gets the filter descriptors used for filtering operations.

Declaration
public CompositeFilterDescriptorCollection FilterDescriptors { get; }
Property Value
CompositeFilterDescriptorCollection

The filter descriptors.

GroupDescriptors

Gets the group descriptors used for grouping operations.

Declaration
public GroupDescriptorCollection GroupDescriptors { get; }
Property Value
GroupDescriptorCollection

The group descriptors.

LoadCommand

Gets the command for loading data.

Declaration
public ICommand LoadCommand { get; }
Property Value
System.Windows.Input.ICommand

The command for loading data.

ObjectContext

Gets or sets the Entity Framework ObjectContext instance used for executing the load and submit operations.

Declaration
public ObjectContext ObjectContext { get; set; }
Property Value
System.Data.Objects.ObjectContext

The Entity Framework ObjectContext.

QueryName

Gets or sets the name of the query to use for loading.

Declaration
public string QueryName { get; set; }
Property Value
System.String

The name of the query to use for loading data.

RelatedObjects

The names of the related entities.

Declaration
public Collection<string> RelatedObjects { get; }
Property Value
System.Collections.ObjectModel.Collection<System.String>

The names of the related entities.
Remarks

For example, if your main entity set is called "Orders", you might want to add "OrderDetails" to this collection in case you want to get the related OrderDetails for each Order from the database.

SortDescriptors

Gets the sort descriptors used for sorting operations.

Declaration
public SortDescriptorCollection SortDescriptors { get; }
Property Value
SortDescriptorCollection

The sort descriptors.

SubmitChangesCommand

Gets the command for submitting changes.

Declaration
public ICommand SubmitChangesCommand { get; }
Property Value
System.Windows.Input.ICommand

The command for submitting changes.

Methods

CreateView()

Creates the view.

Declaration
protected virtual QueryableCollectionView CreateView()
Returns
QueryableCollectionView

The view.

IsValidQueryProperty(PropertyInfo)

Determines whether the property is a valid query property.

Declaration
public static bool IsValidQueryProperty(PropertyInfo propertyInfo)
Parameters
System.Reflection.PropertyInfo propertyInfo

The property info.
Returns
System.Boolean

true if the property is a valid query property; otherwise, false.

Load()

Initiates a Load operation if possible.

Declaration
public void Load()

SubmitChanges()

Initiates a Submit operation if possible.

Declaration
public void SubmitChanges()

Extension Methods