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.NET Forum / Languages / C# / December 2005FtpWebRequest
I need to access a FTP Server. I'm using FTPWebRequest as described in visual studio 2005 documentation. Everything works fine except the following: 1) I dont know how to change de current working directory on the server to the parent directory? 2) Why cant I do this, or why doesn't work? In Internet explorer works! <some code...for FtpWebRequest> FtpWebRequest ....Create("ftp://192.168.1.4/../ret"); thanks José Cruz José, In order to change directories you would need to be able to send the FTP command for that, and I'm not sure if FTPWebRequest provides this functionality. See my answer to the "Simple FTP Request" post a few posts before yours about the EnterpriseDT FTP.ENT library. --Peter  SignatureCo-founder, Eggheadcafe.com developer portal: http://www.eggheadcafe.com UnBlog: http://petesbloggerama.blogspot.com > I need to access a FTP Server. I'm using FTPWebRequest as described in > visual studio 2005 documentation. [quoted text clipped - 10 lines] > thanks > José Cruz The FtpWebRequest class certainly does support this command. SignatureHTH, Kevin Spencer Microsoft MVP .Net Developer You can lead a fish to a bicycle, but it takes a very long time, and the bicycle has to *want* to change. > José, > In order to change directories you would need to be able to send the FTP [quoted text clipped - 20 lines] >> thanks >> José Cruz Obvously I have not yet used this class in 2.0 or my answer would have been more complete. However, the Docs state as follows: "Specify the FTP command to send to the server by setting the Method property to a value defined in the WebRequestMethods.Ftp structure. To transmit text data, change the UseBinary property from its default value (true) to false. For details and restrictions, see Method." I see the following methods listed in MSDN for the WebRequestMethods.Ftp Members: AppendFile Represents the FTP APPE protocol method that is used to append a file to an existing file on an FTP server. DeleteFile Represents the FTP DELE protocol method that is used to delete a file on an FTP server. DownloadFile Represents the FTP RETR protocol method that is used to download a file from an FTP server. GetDateTimestamp GetFileSize Represents the FTP SIZE protocol method that is used to retrieve the size of a file on an FTP server. ListDirectory Represents the FTP NLIST protocol method that gets a short listing of the files on an FTP server. ListDirectoryDetails Represents the FTP LIST protocol method that gets a detailed listing of the files on an FTP server. MakeDirectory Represents the FTP MKD protocol method creates a directory on an FTP server. PrintWorkingDirectory Represents the FTP PWD protocol method that prints the name of the current working directory. RemoveDirectory Represents the FTP RMD protocol method that removes a directory. Rename Represents the FTP RENAME protocol method that renames a directory. UploadFile Represents the FTP STOR protocol method that uploads a file to an FTP server. UploadFileWithUniqueName Represents The above do not appear to include the "CD" command. If this is correct, then the only way to actually get to a different folder on the remote FTP Server would be to include it in the orignal request's login path. --Peter SignatureCo-founder, Eggheadcafe.com developer portal: http://www.eggheadcafe.com UnBlog: http://petesbloggerama.blogspot.com > The FtpWebRequest class certainly does support this command. > [quoted text clipped - 22 lines] > >> thanks > >> José Cruz Hi Peter, I hope I didn't come across as corrective towards you. I have used this class, with this command, and I knew it can be used, and just wanted to make sure the OP understood this. Your reponse was fine, as far as it went. SignatureHTH, Kevin Spencer Microsoft MVP .Net Developer You can lead a fish to a bicycle, but it takes a very long time, and the bicycle has to *want* to change. > Obvously I have not yet used this class in 2.0 or my answer would have > been [quoted text clipped - 71 lines] >> >> thanks >> >> José Cruz Kevin, No, not at all. Just trying to get the facts out, and as we all are finding out, there are twice as many classes in 2.0 as were in 1.0! I didn't see the command in the enum items listed in the MSDN Docs, and it wasn't until I read further that you can construct any valid FTP Command in that I realized you were correct. I believe the OP had difficulty here since the "CD" command isn't listed as one of the WebRequestMethods.Ftp members, you have to "create your own". --Peter Peter SignatureCo-founder, Eggheadcafe.com developer portal: http://www.eggheadcafe.com UnBlog: http://petesbloggerama.blogspot.com > Hi Peter, > [quoted text clipped - 77 lines] > >> >> thanks > >> >> José Cruz Yes, I found the methodology of it somewhat confusing at first. SignatureHTH, Kevin Spencer Microsoft MVP .Net Developer You can lead a fish to a bicycle, but it takes a very long time, and the bicycle has to *want* to change. > Kevin, > [quoted text clipped - 111 lines] >> >> >> thanks >> >> >> José Cruz And more (correcting myself as I go along, from MSDN): "You can set Method to any command recognized by the server and use the FtpWebRequest object to send the command. This works as expected only if the command does not require you to send data and the server does not send data in response to the request." --Which indicates that you can send commands that arent in the enum. So, as Kevin indicated, it appears that you can ( although it isn't blatantly obvious) send the "CD" command with the FTPWebRequest class. I leave it to the original poster to experiment and confirm this. --Peter SignatureCo-founder, Eggheadcafe.com developer portal: http://www.eggheadcafe.com UnBlog: http://petesbloggerama.blogspot.com > The FtpWebRequest class certainly does support this command. > [quoted text clipped - 22 lines] > >> thanks > >> José Cruz Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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