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Sadeveloper on 12/26/13

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Last Edited at 12/26/13 10:33pm

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Upload file to FTP server

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Upload file to FTP server

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''' <summary>
''' Methods to upload file to FTP Server
''' </summary>
''' <param name="_FileName">local source file name</param>
''' <param name="_UploadPath">Upload FTP path including Host name</param>
''' <param name="_FTPUser">FTP login username</param>
''' <param name="_FTPPass">FTP login password</param>

Public Sub UploadFile(ByVal _FileName As String, ByVal _UploadPath As String, ByVal _FTPUser As String, ByVal _FTPPass As String)
    Dim _FileInfo As New System.IO.FileInfo(_FileName)

' Create FtpWebRequest object from the Uri provided
    Dim _FtpWebRequest As System.Net.FtpWebRequest = CType(System.Net.FtpWebRequest.Create(New Uri(_UploadPath)), System.Net.FtpWebRequest)

' Provide the WebPermission Credintials
    _FtpWebRequest.Credentials = New System.Net.NetworkCredential(_FTPUser, _FTPPass)

' By default KeepAlive is true, where the control connection is not closed
    ' after a command is executed.
    _FtpWebRequest.KeepAlive = False

' set timeout for 20 seconds
    _FtpWebRequest.Timeout = 20000

' Specify the command to be executed.
    _FtpWebRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile

' Specify the data transfer type.
    _FtpWebRequest.UseBinary = True

' Notify the server about the size of the uploaded file
    _FtpWebRequest.ContentLength = _FileInfo.Length

' The buffer size is set to 2kb
    Dim buffLength As Integer = 2048
    Dim buff(buffLength - 1) As Byte

' Opens a file stream (System.IO.FileStream) to read the file to be uploaded
    Dim _FileStream As System.IO.FileStream = _FileInfo.OpenRead()

Try
        ' Stream to which the file to be upload is written
        Dim _Stream As System.IO.Stream = _FtpWebRequest.GetRequestStream()

' Read from the file stream 2kb at a time
        Dim contentLen As Integer = _FileStream.Read(buff, 0, buffLength)

' Till Stream content ends
        Do While contentLen <> 0
            ' Write Content from the file stream to the FTP Upload Stream
            _Stream.Write(buff, 0, contentLen)
            contentLen = _FileStream.Read(buff, 0, buffLength)
        Loop

' Close the file stream and the Request Stream
        _Stream.Close()
        _Stream.Dispose()
        _FileStream.Close()
        _FileStream.Dispose()
    Catch ex As Exception
        MessageBox.Show(ex.Message, "Upload Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
    End Try
End Sub

HOW TO USE:

' Upload file using FTP
UploadFile("c:\UploadFile.doc", "ftp://FTPHostName/UploadPath/UploadFile.doc", "UserName", "Password")

URL: http://www.softafzar.net/thread782.html/

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Upload file to FTP server

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