MSDN Library

HttpClientExtensions.PostAsJsonAsync<T> Method (HttpClient, Uri, T, CancellationToken)

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

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

public static Task<HttpResponseMessage> PostAsJsonAsync<T>(
	this HttpClient client,
	Uri requestUri,
	T value,
	CancellationToken cancellationToken
)

Type Parameters

T

The type of value.

Parameters

client
Type: HttpClient
The client used to make the request.
requestUri
Type: System.Uri
The URI the request is sent to.
value
Type: T
The value that will be placed in the request's entity body.
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 or https://msdn.microsoft.com/en-us/library/bb383977.

This method uses the default instance of JsonMediaTypeFormatter.

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