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Uri.Port Property

Gets the port number of this URI.

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

public int Port { get; }

Property Value

Type: System.Int32
An Int32 value that contains the port number for this URI.

ExceptionCondition
InvalidOperationException

This instance represents a relative URI, and this property is valid only for absolute URIs.

The port number defines the protocol port used for contacting the server referenced in the URI. If a port is not specified as part of the URI, the Port property returns the default value for the protocol. If there is no default port number, this property returns -1.

The following example writes the URI port number to the console. In this case, the value is the default port number for HTTP, port 80.

Uri baseUri = new Uri("http://www.contoso.com/");
 Uri myUri = new Uri(baseUri,"catalog/shownew.htm?date=today");

 Console.WriteLine(myUri.Port);
	Uri* baseUri = new Uri(S"http://www.contoso.com/");
	Uri* myUri = new Uri(baseUri,S"catalog/shownew.htm?date=today");

	Console::WriteLine(myUri->Port);

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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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