HttpClient.SendAsync Method (HttpRequestMessage)

.NET Framework (current version)
 
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Send an HTTP request as an asynchronous operation.

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

public Task<HttpResponseMessage> SendAsync(
	HttpRequestMessage request
)

Parameters

request
Type: System.Net.Http.HttpRequestMessage

The HTTP request message to send.

Return Value

Type: System.Threading.Tasks.Task<HttpResponseMessage>

The task object representing the asynchronous operation.

Exception Condition
ArgumentNullException

The request was null.

InvalidOperationException

The request message was already sent by the HttpClient instance.

HttpRequestException

The request failed due to an underlying issue such as network connectivity, DNS failure, server certificate validation or timeout.

This operation will not block. The returned Task<TResult> object will complete once the entire response including content is read.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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