Ends a pending asynchronous operation started with BeginGetResponse.
Assembly: System (in System.dll)
abstract EndGetResponse : asyncResult:IAsyncResult -> WebResponse override EndGetResponse : asyncResult:IAsyncResult -> WebResponse
asyncResult is a null reference (Nothing in Visual Basic).
asyncResult was not obtained by calling BeginGetResponse.
This method was already called for the operation identified by asyncResult.
An error occurred using an HTTP proxy.
If the operation has not completed at the time the method is called, blocks until the operation completes. To prevent blocking, check the IsCompleted property before calling .
In addition to the exceptions noted in "Exceptions," rethrows exceptions that were thrown while communicating with the server.
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in the .NET Framework.
This method generates network traffic.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.