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

Definition

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

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

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

source is null.

Applies to

Product Versions
.NET Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Standard 2.1