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HttpCapabilitiesBase.Platform Property

Gets the name of the platform that the client uses, if it is known.

Namespace: System.Web.Configuration
Assembly: System.Web (in system.web.dll)

public string Platform { get; }
/** @property */
public String get_Platform ()

public function get Platform () : String

Not applicable.

Property Value

The operating system that the client uses, if it is known, otherwise the value is set to Unknown.

Some of the possible values for the Platform property are as follows:

  • Unknown

  • Win95

  • Win98

  • Windows NT 5.0 (Windows 2000)

  • Windows NT 5.1 (Windows XP)

  • WinNT (all other versions of Windows NT)

  • Win16

  • WinCE

  • Mac68K

  • MacPPC

  • UNIX

  • WebTV

The following code example shows how to determine whether the browser is running on the Windows NT platform.

<%@ page language="C#"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<script runat="server">
    void Page_Load(Object Sender, EventArgs e)

    void CheckBrowserCaps()
        String labelText = "";
        System.Web.HttpBrowserCapabilities myBrowserCaps = Request.Browser;
        if (((System.Web.Configuration.HttpCapabilitiesBase)myBrowserCaps).Platform.Equals("WinNT"))
            labelText = "Platform is Windows NT.";
            labelText = "Platform is not Windows NT.";

        Label1.Text = labelText;

<html xmlns="" >
    <title>Browser Capabilities Sample</title>
    <form runat="server" id="form1">
            Browser Capabilities:
            <p/><asp:Label ID="Label1" Runat="server" />

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0