MongoQueryableThenByDescendingTSource, TKey Method

Performs a subsequent ordering of the elements in a sequence in descending order according to a key.

Namespace: MongoDB.Driver.Linq
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.19.1+3a2a09dd959482f665ffbb5df2557ec541597af4

Syntax

Copy

public static IOrderedMongoQueryable<TSource> ThenByDescending<TSource, TKey>(
	this IOrderedMongoQueryable<TSource> source,
	Expression<Func<TSource, TKey>> keySelector
)

<ExtensionAttribute>
Public Shared Function ThenByDescending(Of TSource, TKey) ( 
	source As IOrderedMongoQueryable(Of TSource),
	keySelector As Expression(Of Func(Of TSource, TKey))
) As IOrderedMongoQueryable(Of TSource)

[<ExtensionAttribute>]
static member ThenByDescending : 
        source : IOrderedMongoQueryable<'TSource> * 
        keySelector : Expression<Func<'TSource, 'TKey>> -> IOrderedMongoQueryable<'TSource>

Parameters

source: Type: MongoDB.Driver.LinqIOrderedMongoQueryableTSource
A sequence of values to order.
keySelector: Type: System.Linq.ExpressionsExpressionFuncTSource, TKey
A function to extract a key from an element.

Type Parameters

TSource: The type of the elements of source.
TKey: The type of the key returned by the function that is represented by keySelector.

Return Value

Type: IOrderedMongoQueryableTSource
An IOrderedMongoQueryableT whose elements are sorted in descending order according to a key.

Usage Note

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

MongoQueryable Class