/1[], CancellationToken)

Sends a POST request as an asynchronous operation, with a specified value serialized using the given formatter and media type.

Namespace:  System.Net.Http
Assembly:  System.Net.Http.Formatting (in System.Net.Http.Formatting.dll)

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function PostAsync(Of T) ( _
    client As HttpClient, _
    requestUri As String, _
    value As T, _
    formatter As MediaTypeFormatter, _
    mediaType As MediaTypeHeaderValue, _
    cancellationToken As CancellationToken _
) As Task(Of HttpResponseMessage)
'Usage
Dim client As HttpClient 
Dim requestUri As String 
Dim value As T
Dim formatter As MediaTypeFormatter 
Dim mediaType As MediaTypeHeaderValue 
Dim cancellationToken As CancellationToken 
Dim returnValue As Task(Of HttpResponseMessage)

returnValue = client.PostAsync(requestUri, _
    value, formatter, mediaType, cancellationToken)

public static Task<HttpResponseMessage> PostAsync<T>(
    this HttpClient client,
    string requestUri,
    T value,
    MediaTypeFormatter formatter,
    MediaTypeHeaderValue mediaType,
    CancellationToken cancellationToken
)

[ExtensionAttribute]
public:
generic<typename T>
static Task<HttpResponseMessage^>^ PostAsync(
    HttpClient^ client, 
    String^ requestUri, 
    T value, 
    MediaTypeFormatter^ formatter, 
    MediaTypeHeaderValue^ mediaType, 
    CancellationToken cancellationToken
)

static member PostAsync : 
        client:HttpClient * 
        requestUri:string * 
        value:'T * 
        formatter:MediaTypeFormatter * 
        mediaType:MediaTypeHeaderValue * 
        cancellationToken:CancellationToken -> Task<HttpResponseMessage> 

JScript does not support generic types and methods.

Type Parameters

• T
  The type of object to serialize.

Parameters

• client
  Type: HttpClient

  The client used to make the request.

• requestUri
  Type: System.String

  The URI the request is sent to.

• value
  Type: T

  The value to write into the entity body of the request.

• formatter
  Type: System.Net.Http.Formatting.MediaTypeFormatter

  The formatter used to serialize the value.

• mediaType
  Type: MediaTypeHeaderValue

  The authoritative value of the Content-Type header. Can be null, in which case the default content type of the formatter will be used.

• cancellationToken
  Type: System.Threading.CancellationToken

  A cancellation token that can be used by other objects or threads to receive notice of cancellation.

Return Value

Type: System.Threading.Tasks.Task<HttpResponseMessage>
A task object representing the asynchronous operation.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type HttpClient. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.108) or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).

See Also

Reference

HttpClientExtensions Class

PostAsync Overload

System.Net.Http Namespace