IndexKeysDefinitionExtensionsAscendingTDocument Method (IndexKeysDefinitionTDocument, ExpressionFuncTDocument, Object)

Combines an existing index keys definition with an ascending index key definition.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e

Syntax

Copy

public static IndexKeysDefinition<TDocument> Ascending<TDocument>(
	this IndexKeysDefinition<TDocument> keys,
	Expression<Func<TDocument, Object>> field
)

<ExtensionAttribute>
Public Shared Function Ascending(Of TDocument) ( 
	keys As IndexKeysDefinition(Of TDocument),
	field As Expression(Of Func(Of TDocument, Object))
) As IndexKeysDefinition(Of TDocument)

[<ExtensionAttribute>]
static member Ascending : 
        keys : IndexKeysDefinition<'TDocument> * 
        field : Expression<Func<'TDocument, Object>> -> IndexKeysDefinition<'TDocument>

Parameters

keys: Type: MongoDB.DriverIndexKeysDefinitionTDocument
The keys.
field: Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
The field.

Type Parameters

TDocument: The type of the document.

Return Value

Type: IndexKeysDefinitionTDocument
A combined index keys definition.

Usage Note

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

IndexKeysDefinitionExtensions Class

Ascending Overload

MongoDB.Driver Namespace