WebException Class

May 11, 2014

The exception that is thrown when an error occurs while accessing the network through a pluggable protocol.

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

public class WebException : InvalidOperationException

The WebException type exposes the following members.

  NameDescription
Public methodWebException()Initializes a new instance of the WebException class.
Public methodWebException(String)Initializes a new instance of the WebException class with the specified error message.
Public methodWebException(String, Exception)Initializes a new instance of the WebException class with the specified error message and nested exception.
Public methodWebException(String, WebExceptionStatus)Initializes a new instance of the WebException class with the specified error message and status.
Public methodWebException(String, Exception, WebExceptionStatus, WebResponse)Initializes a new instance of the WebException class with the specified error message, nested exception, status, and response.
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  NameDescription
Public propertyDataGets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.)
Public propertyHelpLinkGets or sets a link to the help file associated with this exception. (Inherited from Exception.)
Public propertyHResultGets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.)
Public propertyInnerExceptionGets the Exception instance that caused the current exception. (Inherited from Exception.)
Public propertyMessageGets a message that describes the current exception. (Inherited from Exception.)
Public propertyResponseGets the response that the remote host returned.
Public propertySourceGets or sets the name of the application or the object that causes the error. (Inherited from Exception.)
Public propertyStackTraceGets a string representation of the frames on the call stack at the time the current exception was thrown. (Inherited from Exception.)
Public propertyStatusGets the status of the response.
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  NameDescription
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetBaseExceptionWhen overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the runtime type of the current instance. (Inherited from Exception.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringCreates and returns a string representation of the current exception. (Inherited from Exception.)
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The WebException class is thrown by classes descended from WebRequest and WebResponse that implement pluggable protocols for accessing the Internet.

When WebException is thrown by a descendant of the WebRequest class, the Response property provides the Internet response to the application.

Capabilities

If you use this API in your app, you must specify the following capabilities in the app manifest. Otherwise, your app might not work correctly or it might exit unexpectedly.

ID_CAP_NETWORKING

Windows Phone 8, Windows Phone OS 7.1

For more info, see App capabilities and hardware requirements for Windows Phone 8.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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