WebException Class
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WebException Class

 

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

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

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

<SerializableAttribute>
Public Class WebException
	Inherits InvalidOperationException
	Implements ISerializable

NameDescription
System_CAPS_pubmethodWebException()

Initializes a new instance of the WebException class.

System_CAPS_protmethodWebException(SerializationInfo, StreamingContext)

Initializes a new instance of the WebException class from the specified SerializationInfo and StreamingContext instances.

System_CAPS_pubmethodWebException(String)

Initializes a new instance of the WebException class with the specified error message.

System_CAPS_pubmethodWebException(String, Exception)

Initializes a new instance of the WebException class with the specified error message and nested exception.

System_CAPS_pubmethodWebException(String, Exception, WebExceptionStatus, WebResponse)

Initializes a new instance of the WebException class with the specified error message, nested exception, status, and response.

System_CAPS_pubmethodWebException(String, WebExceptionStatus)

Initializes a new instance of the WebException class with the specified error message and status.

NameDescription
System_CAPS_pubpropertyData

Gets a collection of key/value pairs that provide additional user-defined information about the exception.(Inherited from Exception.)

System_CAPS_pubpropertyHelpLink

Gets or sets a link to the help file associated with this exception.(Inherited from Exception.)

System_CAPS_pubpropertyHResult

Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.(Inherited from Exception.)

System_CAPS_pubpropertyInnerException

Gets the Exception instance that caused the current exception.(Inherited from Exception.)

System_CAPS_pubpropertyMessage

Gets a message that describes the current exception.(Inherited from Exception.)

System_CAPS_pubpropertyResponse

Gets the response that the remote host returned.

System_CAPS_pubpropertySource

Gets or sets the name of the application or the object that causes the error.(Inherited from Exception.)

System_CAPS_pubpropertyStackTrace

Gets a string representation of the immediate frames on the call stack.(Inherited from Exception.)

System_CAPS_pubpropertyStatus

Gets the status of the response.

System_CAPS_pubpropertyTargetSite

Gets the method that throws the current exception.(Inherited from Exception.)

NameDescription
System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_protmethodFinalize()

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)

System_CAPS_pubmethodGetBaseException()

When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions.(Inherited from Exception.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetObjectData(SerializationInfo, StreamingContext)

This API supports the product infrastructure and is not intended to be used directly from your code. Populates a SerializationInfo instance with the data needed to serialize the WebException.(Overrides Exception.GetObjectData(SerializationInfo, StreamingContext).)

System_CAPS_pubmethodGetType()

Gets the runtime type of the current instance.(Inherited from Exception.)

System_CAPS_protmethodMemberwiseClone()

Creates a shallow copy of the current Object.(Inherited from Object.)

System_CAPS_pubmethodToString()

Creates and returns a string representation of the current exception.(Inherited from Exception.)

NameDescription
System_CAPS_proteventSerializeObjectState

Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception.(Inherited from Exception.)

NameDescription
System_CAPS_pubinterfaceSystem_CAPS_privmethodISerializable.GetObjectData(SerializationInfo, StreamingContext)

This API supports the product infrastructure and is not intended to be used directly from your code. Serializes this instance into the specified SerializationInfo object.

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.

Associated Tips

Check the Response property of the exception to determine why the request failed.

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

Check the Status property of the exception to determine why the request failed.

The Status property of the exception provides status information for the error. For more information, see WebExceptionStatus.

If you are timing out when stepping into an XML Web Service, set the timeout value for the XML Web Service call to infinite.

For more information, see Error: Timeout While Debugging Web Services.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1

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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