IQueryCollection.TryGetValue(String, StringValues) Method

Reference

Definition

Namespace:: Microsoft.AspNetCore.Http

Assembly:: Microsoft.AspNetCore.Http.Features.dll

Package:: Microsoft.AspNetCore.Http.Features v1.0.0

Package:: Microsoft.AspNetCore.Http.Features v1.1.0

Package:: Microsoft.AspNetCore.Http.Features v2.0.0

Package:: Microsoft.AspNetCore.Http.Features v2.1.0

Package:: Microsoft.AspNetCore.Http.Features v2.2.0

Package:: Microsoft.AspNetCore.Http.Features v3.0.3

Package:: Microsoft.AspNetCore.Http.Features v3.1.18

Package:: Microsoft.AspNetCore.Http.Features v5.0.9

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

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Gets the value associated with the specified key.

public:
 bool TryGetValue(System::String ^ key, [Runtime::InteropServices::Out] Microsoft::Extensions::Primitives::StringValues % value);

public bool TryGetValue (string key, out Microsoft.Extensions.Primitives.StringValues value);

abstract member TryGetValue : string * StringValues -> bool

Public Function TryGetValue (key As String, ByRef value As StringValues) As Boolean

Parameters

key: String

The key of the value to get.

value: StringValues

The key of the value to get. When this method returns, the value associated with the specified key, if the key is found; otherwise, the default value for the type of the value parameter. This parameter is passed uninitialized.

Returns

Boolean

true if the object that implements IQueryCollection contains an element with the specified key; otherwise, false.

Exceptions

ArgumentNullException

key is null.

Applies to