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WebClient::UseDefaultCredentials Property

Gets or sets a Boolean value that controls whether the DefaultCredentials are sent with requests.

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

public:
property bool UseDefaultCredentials {
	bool get ();
	void set (bool value);
}

Property Value

Type: System::Boolean
true if the default credentials are used; otherwise false. The default value is false.

Set this property to true when requests made by this WebClient object should, if requested by the server, be authenticated using the default credentials of the currently logged on user. For client applications, this is the desired behavior in most scenarios. For middle tier applications, such as ASP.NET applications, instead of using this property, you would typically set the Credentials property to the credentials of the client on whose behalf the request is made.

The following code example demonstrates setting this property.

// Sample call: UploadFileInBackground3("http://www.contoso.com/fileUpload.aspx", "data.txt")
void UploadFileInBackground3( String^ address, String^ fileName )
{

   WebClient^ client = gcnew WebClient;
   Uri ^uri = gcnew Uri(address);

   client->UseDefaultCredentials = true;

   client->UploadFileCompleted += gcnew UploadFileCompletedEventHandler( UploadFileCallback2 );
   client->UploadFileAsync( uri, fileName );
   Console::WriteLine( "File upload started." );
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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