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HttpClientExtensions.PostAsJsonAsync<T> Method (, String, T, CancellationToken)

Sends a POST request as an asynchronous operation, with a specified value serialized as JSON. Includes a cancellation token to cancel the request.

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

Syntax

C++

JScript

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

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.

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 http://msdn.microsoft.com/en-us/library/bb384936(v=vs.108).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).aspx.

Reference

HttpClientExtensions Class

PostAsJsonAsync Overload

System.Net.Http Namespace

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