HttpClientExtensions.PostAsync<T> Method (HttpClient, Uri, T, MediaTypeFormatter, MediaTypeHeaderValue, CancellationToken)

Sends a POST request as an asynchronous operation to the specified URI with value serialized using the given formatter.

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

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

Type Parameters


The type of value.


Type: HttpClient
The client used to make the request.
Type: System.Uri
The URI the request is sent to.
Type: T
The value that will be placed in the request's entity body.
Type: System.Net.Http.Formatting.MediaTypeFormatter
The formatter used to serialize the value.
Type: MediaTypeHeaderValue
The authoritative value of the request's content's Content-Type header. Can be null in which case the formatter's default content type will be used.
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 or