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: 5.7.0.0 (5.7.0)

Syntax

Copy

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: TEntity
the 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).

Reference

AdapterExtensionMethods Class

FetchFirst Overload

SD.LLBLGen.Pro.QuerySpec.Adapter Namespace