upload a file to an sftp server in csharp

main.cs
using Renci.SshNet;

// Initialize connection information
var connInfo = new ConnectionInfo(
    "sftp.example.com",  // SFTP server hostname
    "username",         // SFTP username
    new PasswordAuthenticationMethod("username", "password")  // Password authentication
);

// Create SFTP client object
using (var sftp = new SftpClient(connInfo))
{
    // Connect to SFTP server
    sftp.Connect();

    // Open remote file stream for upload
    using (var remoteFileStream = sftp.Create("/path/to/remote/file.txt"))
    {
        // Open local file stream for read
        using (var localFileStream = System.IO.File.OpenRead(@"C:\path\to\local\file.txt"))
        {
            // Transfer file from local to remote server
            localFileStream.CopyTo(remoteFileStream);
        }
    }

    // Disconnect from SFTP server
    sftp.Disconnect();
}
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