ftpwebrequest

来源： https://stackoverflow.com/questions/46580751/the-remote-server-returned-an-error-550-on-upload-file-to-ftp-using-ftpwebreq

来源： https://stackoverflow.com/questions/46052535/why-does-ftpwebrequest-return-an-empty-stream-for-this-existing-directory

来源： https://stackoverflow.com/questions/58712466/download-single-file-from-ftp-server-in-chunks-in-multiple-threads-using-c-sharp

来源： https://stackoverflow.com/questions/44661109/download-files-from-ftp-server-in-c-sharp-to-local-folder-with-modification-date

来源： https://stackoverflow.com/questions/44661109/download-files-from-ftp-server-in-c-sharp-to-local-folder-with-modification-date

问题 I am trying to download multiple files to memory with only one open connection. I know from this documentation: https://docs.microsoft.com/en-us/dotnet/api/system.net.ftpwebrequest.keepalive – that FtpWebRequest defaults KeepAlive to true. if the connection to the server should not be destroyed; otherwise, false. The default value is true. I have created this piece of code: using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Text;

问题 I am trying to use this code to upload a file to an FTP, the problem I have is that when the syntax hits the serverURI.Scheme != Uri.UriSchemeFtp it returns false. Does that mean I have my URI address set-up incorrectly? I know it is a valid address, I have used ftptest.net to verify the site is up and running. What is incorrect in my syntax? private void button1_Click(object sender, EventArgs e) { Uri serverUri = new Uri("ftps://afjafaj.org"); string userName = "Ricard"; string password = ""

问题 I tried to download files, but all files with special character cannot be recognized. Other files can be downloaded, while file named asdf#code@.pdf cannot be downloaded. Error: The remote server returned an error: (550) File unavailable (e.g., file not found, no access). In local, the file with correct name is created, but it is empty. The same thing happens on JPG files with # inside of the file names. how can I let them be recognized? //Download the file from remote path on FTP to local

问题 I tried to download files, but all files with special character cannot be recognized. Other files can be downloaded, while file named asdf#code@.pdf cannot be downloaded. Error: The remote server returned an error: (550) File unavailable (e.g., file not found, no access). In local, the file with correct name is created, but it is empty. The same thing happens on JPG files with # inside of the file names. how can I let them be recognized? //Download the file from remote path on FTP to local

问题 I have a button on the form if I click on the button then starting to check if the directory on FTP server exists or not, if not then the directory will be create. After this uploading the picture to the directory which was created before but it's causing a form freeze so I can't do nothing on the form for a few seconds. --- Checking if the directory is exist & create it if not --- private bool CreateFTPDirectory() { try { FtpWebRequest requestDir = (FtpWebRequest)FtpWebRequest.Create(new Uri