MetadataBase.HasChanged Property

Article
06/20/2014

Applies To: Microsoft Dynamics CRM 2013, Microsoft Dynamics CRM Online

Gets whether the item of metadata has changed.

Namespace: Microsoft.Xrm.Sdk.Metadata
Assembly: Microsoft.Xrm.Sdk (in Microsoft.Xrm.Sdk.dll)

Syntax

'Declaration
<DataMemberAttribute(Order:=60)> _
Public Property HasChanged As Nullable(Of Boolean)

[DataMemberAttribute(Order=60)] 
public Nullable<bool> HasChanged { get; set; }

Property Value

Type: Nullable<Boolean>
true if metadata item has changed since the last query; otherwise, false.

Remarks

When metadata is retrieved using RetrieveMetadataChangesRequest, with a valid ClientVersionStamp parameter, the RetrieveMetadataChangesResponse. EntityMetadata property contains an EntityMetadataCollection of all the changed metadata. When a child item has changed but a parent item has not, the HasChanged property of the child will be true but for the parent it will be false.

It is not valid to use this attribute as part of a query because the value is calculated. The value will be null except in the results of a query that returns information about changes from a previous query.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Development Platforms

Windows Server 2008, Windows Server 2012, Windows 7 (All Versions), Windows 8 (All Versions)

Target Platforms

Windows Server 2008, ,Windows Server 2012, ,Windows 7 (All Versions),