项目
11/18/2011

WebExceptionStatus Enumeration

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Defines status codes for the WebException class.

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

Syntax

'Declaration
Public Enumeration WebExceptionStatus

public enum WebExceptionStatus

Members

	Member name	Description
	Success	No error was encountered.
	ConnectFailure	The remote service point could not be contacted at the transport level.
	SendFailure	A complete request could not be sent to the remote server.
	RequestCanceled	The request was canceled, the WebRequest.Abort method was called, or an unclassifiable error occurred. This is the default value for Status.
	Pending	An internal asynchronous request is pending.
	UnknownError	An exception of unknown type has occurred.
	MessageLengthLimitExceeded	A message was received that exceeded the specified limit when sending a request or receiving a response from the server.
	NameResolutionFailure	The name resolver service could not resolve the host name. Not supported. Present in Silverlight for Windows Phone.
	ReceiveFailure	A complete response was not received from the remote server. Not supported. Present in Silverlight for Windows Phone.
	PipelineFailure	The request was a pipelined request and the connection was closed before the response was received. Not supported. Present in Silverlight for Windows Phone.
	ProtocolError	The response received from the server was complete but indicated a protocol-level error. For example, an HTTP protocol error such as 401 Access Denied would use this status. Not supported. Present in Silverlight for Windows Phone.
	ConnectionClosed	The connection was prematurely closed. Not supported. Present in Silverlight for Windows Phone.
	TrustFailure	A server certificate could not be validated. Not supported. Present in Silverlight for Windows Phone.
	SecureChannelFailure	An error occurred while establishing a connection using SSL. Not supported. Present in Silverlight for Windows Phone.
	ServerProtocolViolation	The server response was not a valid HTTP response. Not supported. Present in Silverlight for Windows Phone.
	KeepAliveFailure	The connection for a request that specifies the Keep-alive header was closed unexpectedly. Not supported. Present in Silverlight for Windows Phone.
	Timeout	No response was received during the time-out period for a request. Not supported. Present in Silverlight for Windows Phone.
	ProxyNameResolutionFailure	The name resolver service could not resolve the proxy host name. Not supported. Present in Silverlight for Windows Phone.

Remarks

The WebExceptionStatus enumeration defines the status codes assigned to the Status property.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

通过