Able to Upload the file to FTP, but how to upload the 50MB file to FTP faster?

Hi All,

I am able to Upload the files to FTP server.
Now i would like to know how to upload the 50MB file faster, i mean it should take less time to upload to FTP.

In my code its taking 2min to upload the file.

So i require ur guidence....

Code:

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Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click


        If (TxtPath.Text.Length = 0 Or PvS_FileName.Length = 0) Then
            MessageBox.Show("Please Select the File to Upload")
            Return
        End If
        If Not IO.File.Exists(TxtPath.Text) Then
            MessageBox.Show("Selected file doesn't exists")
            Return
        End If


        Dim clsRequest As System.Net.FtpWebRequest = _
        DirectCast(System.Net.WebRequest.Create(TxtUFTPPath.Text & PvS_FileName), System.Net.FtpWebRequest)

        clsRequest.Credentials = New System.Net.NetworkCredential("", "")
        clsRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile
        ''rfshTMR.Enabled = True
        Dim File() As Byte = System.IO.File.ReadAllBytes(TxtPath.Text)
        Dim clsStream As System.IO.Stream = _
            clsRequest.GetRequestStream()
        clsStream.Write(File, 0, File.Length)
        For offset As Long = 0 To File.Length Step 2048
            'For offset As Long = 0 To File.Length Step 1024
            ProgressBar1.Value = CType(offset * ProgressBar1.Maximum / File.Length, Integer)
            Dim chunkSize As Long = File.Length - offset - 1
            'Dim chunkSize As Double = File.Length - offset - 1
            If chunkSize > 1024 Then chunkSize = 1024
            clsStream.Write(File, offset, chunkSize)
            ProgressBar1.Value = ProgressBar1.Maximum
        Next
        clsStream.Close()
        clsStream.Dispose()
        MsgBox("File uploaded to FTP", MsgBoxStyle.OkOnly, "Upload Complete")

        'for web brow
        WebBrowser1.Refresh()

    End Sub

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Your help can make me learn

Thanks in Advance
Seema