Megosztás a következőn keresztül:

HeaderDictionary.TryGetValue(String, StringValues) Method

  • Reference

Definition

Namespace:
Microsoft.AspNetCore.Http
Assembly:
Microsoft.AspNetCore.Http.dll
Package:
Microsoft.AspNetCore.Http v1.0.0
Package:
Microsoft.AspNetCore.Http v1.1.0
Package:
Microsoft.AspNetCore.Http v2.0.0
Package:
Microsoft.AspNetCore.Http v2.1.0
Package:
Microsoft.AspNetCore.Http v2.2.0
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
Package:
Microsoft.AspNetCore.App.Ref v9.0.0-rc.2.24474.3
Source:
HeaderDictionary.cs
Source:
HeaderDictionary.cs
Source:
HeaderDictionary.cs

Retrieves a value from the dictionary.

public:
 virtual 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
override this.TryGetValue : string * StringValues -> bool
Public Function TryGetValue (key As String, ByRef value As StringValues) As Boolean

Parameters

key
String

The header name.

value
StringValues

The value.

Returns

Boolean

true if the HeaderDictionary contains the key; otherwise, false.

Applies to