Gets the version of the .NET Framework that is installed on the client.
Assembly: System.Web (in System.Web.dll)
The property is supported only when the browser is Internet Explorer version 5.0 and later.
If the .NET Framework is not installed on the client, the value of the version elements returned is 0, 0,-1,-1.
If more than one version of the .NET Framework is installed on the client, the property returns the latest version.
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.