MongoQueryableOrderByDescendingTSource, TKey Method

Sorts the elements of a sequence in descending order according to a key.

Namespace: MongoDB.Driver.Linq
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.20.0+ee01960089f28ea1b501690df5fc9f6318a70242

Syntax

Copy

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

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

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

Parameters

source: Type: MongoDB.Driver.LinqIMongoQueryableTSource
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 IMongoQueryableTSource. 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