WebException Class

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

Inheritance Hierarchy

System.Object
  System.Exception
    System.SystemException
      System.InvalidOperationException
        System.Net.WebException

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

Syntax

'Declaration
Public Class WebException _
    Inherits InvalidOperationException

public class WebException : InvalidOperationException

The WebException type exposes the following members.

Constructors

	Name	Description
	WebException()	Initializes a new instance of the WebException class.
	WebException(String)	Initializes a new instance of the WebException class with the specified error message.
	WebException(String, Exception)	Initializes a new instance of the WebException class with the specified error message and nested exception.
	WebException(String, WebExceptionStatus)	Initializes a new instance of the WebException class with the specified error message and status.
	WebException(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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Properties

	Name	Description
	Data	Gets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.)
	HResult	Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.)
	InnerException	Gets the Exception instance that caused the current exception. (Inherited from Exception.)
	Message	Gets a message that describes the current exception. (Inherited from Exception.)
	Response	Gets the response that the remote host returned.
	StackTrace	Gets a string representation of the frames on the call stack at the time the current exception was thrown. (Inherited from Exception.)
	Status	Gets the status of the response.

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Methods

	Name	Description
	Equals(Object)	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetBaseException	When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the runtime type of the current instance. (Inherited from Exception.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Creates and returns a string representation of the current exception. (Inherited from Exception.)

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Remarks

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.

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.

Thread Safety

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

See Also

Reference

System.Net Namespace

Exception