Queryable.Prepend<TSource>(IQueryable<TSource>, TSource) Method

Reference

Definition

Namespace:: System.Linq

Assembly:: System.Linq.Queryable.dll

Assembly:: netstandard.dll

Source:: Queryable.cs

Source:: Queryable.cs

Source:: Queryable.cs

Important

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Returns a new queryable sequence that contains the elements from source plus the specified element prepended at the beginning.

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

public static System.Linq.IQueryable<TSource> Prepend<TSource> (this System.Linq.IQueryable<TSource> source, TSource element);

static member Prepend : System.Linq.IQueryable<'Source> * 'Source -> System.Linq.IQueryable<'Source>

<Extension()>
Public Function Prepend(Of TSource) (source As IQueryable(Of TSource), element As TSource) As IQueryable(Of TSource)

Type Parameters

TSource

The type of the elements in the queryable sequence.

Parameters

source: IQueryable<TSource>

A queryable sequence.

element: TSource

An element of type TSource to prepend to source.

Returns

IQueryable<TSource>

A new queryable sequence that contains the elements from source plus the specified element prepended at the beginning.

Exceptions

ArgumentNullException

source is null.

Applies to