Check if a folder exist in a directory and create

Question

How can I check if directory C:/ contains a folder named MP_Upload, and if it does not exist, create the folder automatically?

I am using Visual Studio 2005 C#.

Answer 1

    String path = Server.MapPath("~/MP_Upload/");
    if (!Directory.Exists(path))
    {
        Directory.CreateDirectory(path);
    }