QueryCollection.ContainsKey(String) Method

Reference

Definition

Namespace:: Microsoft.AspNetCore.Http

Assembly:: Microsoft.AspNetCore.Http.dll

Package:: Microsoft.AspNetCore.App.Ref v3.0.1

Package:: Microsoft.AspNetCore.App.Ref v3.1.10

Package:: Microsoft.AspNetCore.App.Ref v5.0.0

Package:: Microsoft.AspNetCore.App.Ref v6.0.6

Package:: Microsoft.AspNetCore.App.Ref v7.0.5

Package:: Microsoft.AspNetCore.App.Ref v8.0.0

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Determines whether the QueryCollection contains a specific key.

public:
 virtual bool ContainsKey(System::String ^ key);

public bool ContainsKey (string key);

abstract member ContainsKey : string -> bool
override this.ContainsKey : string -> bool

Public Function ContainsKey (key As String) As Boolean

Parameters

key: String

The key.

Returns

Boolean

true if the QueryCollection contains a specific key; otherwise, false.

Implements

ContainsKey(String)

Applies to