DataServiceContext.TryGetEntity<TEntity> Method

Test retrieval of an entity being tracked by the DataServiceContext by reference to the URI of the entity.

Namespace:  System.Data.Services.Client
Assembly:  Microsoft.Data.Services.Client (in Microsoft.Data.Services.Client.dll)

Syntax

'Declaration
Public Function TryGetEntity(Of TEntity As Class) ( _
    identity As Uri, _
    <OutAttribute> ByRef entity As TEntity _
) As Boolean
'Usage
Dim instance As DataServiceContext 
Dim identity As Uri 
Dim entity As TEntity
Dim returnValue As Boolean 

returnValue = instance.TryGetEntity(identity, _
    entity)

public bool TryGetEntity<TEntity>(
    Uri identity,
    out TEntity entity
)
where TEntity : class

public:
generic<typename TEntity>
where TEntity : ref class 
bool TryGetEntity(
    Uri^ identity, 
    [OutAttribute] TEntity% entity
)

member TryGetEntity : 
        identity:Uri * 
        entity:'TEntity byref -> bool   when 'TEntity : not struct

JScript does not support generic types and methods.

Type Parameters

• TEntity
  The type of the entity.

Parameters

• identity
  Type: System.Uri
  The URI of the tracked entity to be retrieved.

• entity
  Type: TEntity%
  The entity to be retrieved.

Return Value

Type: System.Boolean
If an entity is found at resourceUri, the entity is returned in the out parameter entity and true is returned. If no entity is found, false is returned.

Exceptions

Remarks

If an entity is in the Detached or Added state, it does not have a URI and cannot be retrieved by using this method.

See Also

Reference

DataServiceContext Class

System.Data.Services.Client Namespace