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Ftpwebrequest 501 syntax error in parameters or arguments

" I am not sure which parameter is wrong. It throws error at miRequest. When you use System. WebClient or FtpWebRequest and you access a Z/ Os mainframe if you want to access the following ftp url ( notice the @ in the password) : log. 500, Syntax error, command unrecognized [ This may include errors such as command line too long]. 引数やパラメータに構文エラーがあります。 これには、 コマンド行が長すぎる等も含まれます。 501, Syntax error in parameters or arguments. I' m trying to connect server using ftp c#. when i compile my app. some computers can access and some other can' t. at that time i got an error: " The remote server returned an error: 501 syntax error in. WebException: The remote server returned an error: ( 501) Syntax error in parameters or arguments.

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  • Video:Parameters ftpwebrequest syntax

    Ftpwebrequest parameters syntax

    You are going to be creating a path that is txt if your file was called " myfile. txt", which I' m guessing should be txt. Therefore just add a / to the end of the string. Create( new + fileName) ) ;. For DownloadFile, the second parameter must be a filename like " c: \ $ filespec" and not just a drive specifier. I think that your code is right. The problem is in another place, like network or ftp server. I tried with my FTP server and changed the line lPOSByteArray = lEncoding. GetBytes( lPOSFlatFile). to lPOSByteArray = lEncoding. UseBinary = true; is not supported by server? share| improve this answer.

    answered May 6 ' 10 at 14: 59. 501 Syntax error in parameters or arguments. HELP, 実行可能なFTPコマンドの 一覧を表示します。 214 < ヘルプ情報>. LIST, 作業ディレクトリ内のファイル一覧を取得 します。 ディレクトリ名を指定した場合、 そのディレクトリのファイル一覧を取得します。. The RETR command has a mandatory argument that specifies a name of the file to download. How would the server know, what file you want to download otherwise? write( " RETR " + file + " \ r\ n" ) ;. See the RFC 959:.