EntityQueryExpression Class
Updated: November 29, 2016
Applies To: Dynamics 365 (online), Dynamics 365 (on-premises), Dynamics CRM 2016, Dynamics CRM Online
Defines a complex query to retrieve entity metadata.
Assembly: Microsoft.Xrm.Sdk (in Microsoft.Xrm.Sdk.dll)
Microsoft.Xrm.Sdk.Metadata.Query.MetadataQueryBase
Microsoft.Xrm.Sdk.Metadata.Query.MetadataQueryExpression
Microsoft.Xrm.Sdk.Metadata.Query.EntityQueryExpression
| Name | Description | |
|---|---|---|
![]() | EntityQueryExpression() | Initializes a new instance of the EntityQueryExpression class. |
| Name | Description | |
|---|---|---|
![]() | AttributeQuery | Gets or sets a query expression for the entity attribute metadata to return. |
![]() | Criteria | Gets or sets the filter criteria for the metadata query.(Inherited from MetadataQueryExpression.) |
![]() | ExtensionData | Gets or sets the structure that contains extra data.(Inherited from MetadataQueryBase.) |
![]() | KeyQuery | |
![]() | LabelQuery | Gets or sets a query expression for the labels to return. |
![]() | Properties | Gets or sets the properties to be returned by the query.(Inherited from MetadataQueryExpression.) |
![]() | RelationshipQuery | Gets or sets a query expression for the entity relationship metadata to return. |
| Name | Description | |
|---|---|---|
![]() | Equals(Object) | (Inherited from Object.) |
![]() | GetHashCode() | (Inherited from Object.) |
![]() | GetType() | (Inherited from Object.) |
![]() | ToString() | (Inherited from Object.) |
The following example shows the use of an EntityQueryExpression to retrieve entity metadata.
//An entity query expression to combine the filter expressions and property expressions for the query. EntityQueryExpression entityQueryExpression = new EntityQueryExpression() { Criteria = EntityFilter, Properties = EntityProperties, AttributeQuery = new AttributeQueryExpression() { Criteria = AttributeFilter, Properties = AttributeProperties }, LabelQuery = labelQuery }; //Retrieve the metadata for the query without a ClientVersionStamp RetrieveMetadataChangesResponse initialRequest = getMetadataChanges(entityQueryExpression, null, DeletedMetadataFilters.OptionSet);
protected RetrieveMetadataChangesResponse getMetadataChanges( EntityQueryExpression entityQueryExpression, String clientVersionStamp, DeletedMetadataFilters deletedMetadataFilter) { RetrieveMetadataChangesRequest retrieveMetadataChangesRequest = new RetrieveMetadataChangesRequest() { Query = entityQueryExpression, ClientVersionStamp = clientVersionStamp, DeletedMetadataFilters = deletedMetadataFilter }; return (RetrieveMetadataChangesResponse)_service.Execute(retrieveMetadataChangesRequest); }
Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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