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.Http (in System.Http.dll)
Syntax
'Declaration
Public Class WebException _
Inherits InvalidOperationException
public class WebException : InvalidOperationException
public ref class WebException : public InvalidOperationException
type WebException =
class
inherit InvalidOperationException
end
public class WebException extends 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 | |
---|---|---|
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 immediate frames on the call stack. (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 it is reclaimed by garbage collection. (Inherited from Object.) | |
GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) | |
GetType | Gets the Type of the current instance. (Inherited from Object.) | |
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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Fields
Name | Description | |
---|---|---|
m_HResult | (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.
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.