AdapterExtensionMethodsFetchFirstTEntity Method (IDataAccessAdapter, EntityQueryTEntity) |
Fetches the first entity of the set returned by the query and returns that entity, if any, otherwise null.
Namespace:
SD.LLBLGen.Pro.QuerySpec.Adapter
Assembly:
SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.1.0.0 (5.1.0)
Syntax public static TEntity FetchFirst<TEntity>(
this IDataAccessAdapter adapter,
EntityQuery<TEntity> query
)
where TEntity : EntityBase2, IEntity2
<ExtensionAttribute>
Public Shared Function FetchFirst(Of TEntity As {EntityBase2, IEntity2}) (
adapter As IDataAccessAdapter,
query As EntityQuery(Of TEntity)
) As TEntity
Parameters
- adapter
- Type: SD.LLBLGen.Pro.ORMSupportClassesIDataAccessAdapter
The adapter. - query
- Type: SD.LLBLGen.Pro.QuerySpecEntityQueryTEntity
The query.
Type Parameters
- TEntity
- The type of the entity.
Return Value
Type:
TEntitythe first entity in the resultset, or null if the resultset is empty.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
IDataAccessAdapter. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).
See Also