C# IIS 7元数据库：以编程方式设置框架版本和托管管道模式

如何通过C#以编程方式为IIS 7设置ehe.net framework版本和托管管道模式？该程序集的元数据库属性名称是什么？

您可以使用该程序集。以下是设置框架版本的方法：

using (var manager = new ServerManager())
{
    // Get the web site given its unique id
    var site = manager.Sites.Cast<Site>().Where(s => s.Id == 1).FirstOrDefault();
    if (site == null)
    {
        throw new Exception("The site with ID = 1 doesn't exist");
    }

    // get the application you want to set the framework version to
    var application = site.Applications["/vDirName"];
    if (application == null)
    {
        throw new Exception("The virtual directory /vDirName doesn't exist");
    }

    // get the corresponding application pool
    var applicationPool = manager.ApplicationPools
        .Cast<Microsoft.Web.Administration.ApplicationPool>()
        .Where(appPool => appPool.Name == application.ApplicationPoolName)
        .FirstOrDefault();
    if (applicationPool == null)
    {
        // normally this should never happen
        throw new Exception("The virtual directory /vDirName doesn't have an associated application pool");
    }

    applicationPool.ManagedRuntimeVersion = "v4.0.30319";
    manager.CommitChanges();
}

---

谢谢你的回答。但由于某些原因，我无法使用Microsoft.Web.Administration。我必须用DirectoryEntry来做，我是在Windows XP下开发的，但是这个软件是在Windows 2008服务器上运行的。然而，我已经为自己找到了解决办法。

using (var manager = new ServerManager())
{
    // Get the application pool given its name
    var appPool = manager.ApplicationPools["AppPoolName"];
    if (appPool == null)
    {
        throw new Exception("The application pool AppPoolName doesn't exist");
    }

    // set the managed pipeline mode
    appPool.ManagedPipelineMode = ManagedPipelineMode.Integrated;

    // save
    manager.CommitChanges();
}