How to create a folder in the server?

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C#

ASP.NET

C#4.0

Hi guys,

I would like to create a folder in the server but I get an error.

Is there anyone who knows how to create a folder in the server?

My codes:

FtpWebRequest ftp = (FtpWebRequest)FtpWebRequest.Create("ftp://mekmarcell.mekmar.com/MatbuEvrak/" + "yeni" + @"/");
           ftp.UseBinary = true;
            ftp.Credentials = new NetworkCredential("mekmarcell.mekmar.com", "*******");

            ftp.Method = WebRequestMethods.Ftp.MakeDirectory;
               FtpWebResponse respons = (FtpWebResponse)ftp.GetResponse();
               Response.Write(respons.StatusDescription);

The error: The remote server returned an error: (550) File unavailable (e.g., file not found, no access).