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WebPermissionAttribute Constructor

Initializes a new instance of the WebPermissionAttribute class with a value that specifies the security actions that can be performed on this class.

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

public function WebPermissionAttribute(
	action : SecurityAction


Type: System.Security.Permissions.SecurityAction

One of the SecurityAction values.


action is not a valid SecurityAction value.

The SecurityAction value passed to this constructor specifies the allowable security actions that can be performed on this class.

The following example demonstrates how to apply WebPermissionAttribute to a method.

No code example is currently available or this language may not be supported.
// Set the declarative security for the URI.
[WebPermission(SecurityAction::Deny, Connect = S"")]
void Connect() {
   // Throw an exception.
   try {
      HttpWebRequest* myWebRequest =
   } catch (Exception* e) {
      Console::WriteLine(S"Exception : {0}", e);

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0