QueryableExtensionMethods.ContainsAsync<TSource> Method (IQueryable<TSource>, TSource)

Async variant of Queryable.Contains

Namespace: SD.LLBLGen.Pro.LinqSupportClasses
Assembly: SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.8.0.0 (5.8.21.0111)

Syntax

Copy

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

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

Parameters

source: Type: System.Linq.IQueryable<TSource>
The source.
item: Type: TSource
The item.

Type Parameters

TSource: The type of the source.

Return Value

Type: Task<Boolean>

Usage Note

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