次の方法で共有


Generation Operations

Generation refers to creating a new sequence of values.

The standard query operator methods that perform generation are listed in the following section.

Methods

Method Name

Description

C# Query Expression Syntax

Visual Basic Query Expression Syntax

More Information

DefaultIfEmpty

Replaces an empty collection with a default valued singleton collection.

Not applicable.

Not applicable.

Enumerable.DefaultIfEmpty

Queryable.DefaultIfEmpty

Empty

Returns an empty collection.

Not applicable.

Not applicable.

Enumerable.Empty<TResult>

Range

Generates a collection that contains a sequence of numbers.

Not applicable.

Not applicable.

Enumerable.Range

Repeat

Generates a collection that contains one repeated value.

Not applicable.

Not applicable.

Enumerable.Repeat<TResult>

See Also

Reference

System.Linq

Concepts

Standard Query Operators Overview