Queryable.Index<TSource>(IQueryable<TSource>) Method

Reference

Definition

Namespace:: System.Linq

Assembly:: System.Linq.Queryable.dll

Source:: Queryable.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Return index and the associated item.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static System::Linq::IQueryable<ValueTuple<int, TSource>> ^ Index(System::Linq::IQueryable<TSource> ^ source);

public static System.Linq.IQueryable<(int Index, TSource Item)> Index<TSource> (this System.Linq.IQueryable<TSource> source);

static member Index : System.Linq.IQueryable<'Source> -> System.Linq.IQueryable<ValueTuple<int, 'Source>>

<Extension()>
Public Function Index(Of TSource) (source As IQueryable(Of TSource)) As IQueryable(Of ValueTuple(Of Integer, TSource))

Type Parameters

TSource

The type of the elements of source.

Parameters

source: IQueryable<TSource>

An IQueryable<T> to return an element from.

Returns

IQueryable<ValueTuple<Int32,TSource>>

An enumerable that incorporates each element index into a tuple.

Exceptions

ArgumentNullException

source is null.

Applies to

แชร์ผ่าน