QueryableExtensionMethodsContainsAsyncTSource Method (IQueryableTSource, TSource, CancellationToken)

Async variant of Queryable.Contains

Namespace: SD.LLBLGen.Pro.LinqSupportClasses
Assembly: SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.9.0.0 (5.9.0)

Syntax

Copy

public static Task<bool> ContainsAsync<TSource>(
	this IQueryable<TSource> source,
	TSource item,
	CancellationToken cancellationToken
)

<ExtensionAttribute>
Public Shared Function ContainsAsync(Of TSource) ( 
	source As IQueryable(Of TSource),
	item As TSource,
	cancellationToken As CancellationToken
) As Task(Of Boolean)

Parameters

source: Type: System.LinqIQueryableTSource
The source.
item: Type: TSource
The item.
cancellationToken: Type: System.ThreadingCancellationToken
The cancellation token.

Type Parameters

TSource: The type of the source.

Return Value

Type: TaskBoolean

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryableTSource. 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

QueryableExtensionMethods Class

ContainsAsync Overload

SD.LLBLGen.Pro.LinqSupportClasses Namespace