Connect Property
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WebPermissionAttribute.Connect Property


Gets or sets the URI connection string controlled by the current WebPermissionAttribute.

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

public string Connect { get; set; }

Property Value

Type: System.String

A string containing the URI connection controlled by the current WebPermissionAttribute.

Exception Condition

Connect is not null when you attempt to set the value. If you wish to specify more than one Connect URI, use an additional attribute declaration statement.

When applying WebPermissionAttribute to your class, this property specifies what URI connection is accepted for use within your class. This property is write-once.

The following example demonstrates how to use WebPermissionAttribute to specify an allowable Connect string.

// Set the WebPermissionAttribute  Connect property.
[WebPermission(SecurityAction.Deny, Connect=@"")]

public static void demoDenySite() 
    //Pass the security check.
    Console.WriteLine("Public page has passed connect permission check");

        //Throw a SecurityException.
        Console.WriteLine("This line will not be printed");
    catch (SecurityException e) {
        Console.WriteLine("Expected exception" + e.Message);


public static void CheckConnectPermission(string uriToCheck) {
    WebPermission permissionToCheck = new WebPermission();
    permissionToCheck.AddPermission(NetworkAccess.Connect, uriToCheck);

.NET Framework
Available since 1.1
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