Upfile FTP VB6 và VB.NET

[NTN]

Download và Upfile FTP VB6 :

Code: [Select all] [Expand/Collapse] [Download]

1. Private m_GettingDir As Boolean
2. Private Sub AddMessage(ByVal msg As String)
3.     txtResults.Text = txtResults.Text & vbCrLf & msg
4.     txtResults.SelStart = Len(txtResults.Text)
5. End Sub
6.  
7. Private Sub cmdDownload_Click()
8. Dim host_name As String
9.  
10.     Enabled = False
11.     MousePointer = vbHourglass
12.     txtResults.Text = "Working"
13.     txtResults.SelStart = Len(txtResults.Text)
14.     DoEvents
15.  
16.     ' You must set the URL before the user name and
17.    ' password. Otherwise the control cannot verify
18.    ' the user name and password and you get the error:
19.    '
20.    '       Unable to connect to remote host
21.    host_name = txtHost.Text
22.     If LCase$(Left$(host_name, 6)) <> "ftp://" Then _
23.         host_name = "ftp://" & host_name
24.     inetFTP.URL = host_name
25.  
26.     inetFTP.UserName = txtUserName.Text
27.     inetFTP.Password = txtPassword.Text
28.  
29.     ' Do not include the host name here. That will make
30.    ' the control try to use its default user name and
31.    ' password and you'll get the error again.
32.    inetFTP.Execute , "Get " & _
33.         txtRemoteFile.Text & " " & txtLocalFile.Text
34.  
35. '    m_GettingDir = True
36. '    inetFTP.Execute , "Dir"
37. End Sub
38.  
39. Private Sub cmdUpload_Click()
40. Dim host_name As String
41.  
42.     Enabled = False
43.     MousePointer = vbHourglass
44.     txtResults.Text = "Working"
45.     txtResults.SelStart = Len(txtResults.Text)
46.     DoEvents
47.  
48.     ' You must set the URL before the user name and
49.    ' password. Otherwise the control cannot verify
50.    ' the user name and password and you get the error:
51.    '
52.    '       Unable to connect to remote host
53.    host_name = txtHost.Text
54.     If LCase$(Left$(host_name, 6)) <> "ftp://" Then _
55.         host_name = "ftp://" & host_name
56.     inetFTP.URL = host_name
57.  
58.     inetFTP.UserName = txtUserName.Text
59.     inetFTP.Password = txtPassword.Text
60.  
61.     ' Do not include the host name here. That will make
62.    ' the control try to use its default user name and
63.    ' password and you'll get the error again.
64.    inetFTP.Execute , "Put " & _
65.         txtLocalFile.Text & " " & txtRemoteFile.Text
66.  
67. '    m_GettingDir = True
68. '    inetFTP.Execute , "Dir"
69. End Sub
70.  
71. Private Sub inetFTP_StateChanged(ByVal State As Integer)
72.     Select Case State
73.         Case icError
74.             AddMessage "Error: " & _
75.                 "    " & inetFTP.ResponseCode & vbCrLf & _
76.                 "    " & inetFTP.ResponseInfo
77.         Case icNone
78.             AddMessage "None"
79.         Case icConnecting
80.             AddMessage "Connecting"
81.         Case icConnected
82.             AddMessage "Connected"
83.         Case icDisconnecting
84.             AddMessage "Disconnecting"
85.         Case icDisconnected
86.             AddMessage "Disconnected"
87.         Case icRequestSent
88.             AddMessage "Request Sent"
89.         Case icRequesting
90.             AddMessage "Requesting"
91.         Case icReceivingResponse
92.             AddMessage "Receiving Response"
93.         Case icRequestSent
94.             AddMessage "Request Sent"
95.         Case icResponseReceived
96.             AddMessage "Response Received"
97.         Case icResolvingHost
98.             AddMessage "Resolving Host"
99.         Case icHostResolved
100.             AddMessage "Host Resolved"
101.  
102.         Case icResponseCompleted
103.             AddMessage inetFTP.ResponseInfo
104.  
105.             If m_GettingDir Then
106.                 Dim txt As String
107.                 Dim chunk As Variant
108.  
109.                 m_GettingDir = False
110.  
111.                 ' Get the first chunk.
112.                chunk = inetFTP.GetChunk(1024, icString)
113.                 DoEvents
114.                 Do While Len(chunk) > 0
115.                     txt = txt & chunk
116.                     chunk = inetFTP.GetChunk(1024, icString)
117.                     DoEvents
118.                 Loop
119.  
120.                 AddMessage "----------"
121.                 AddMessage txt
122.             End If
123.  
124.        Case Else
125.             AddMessage "State = " & Format$(State)
126.     End Select
127.  
128.     Enabled = True
129.     MousePointer = vbDefault
130. End Sub
131.  
132.  

GeSHi © Codebox Plus

Hoặc tải Form Project tại đây :

howto_ftp.rar

(6.41 KiB) Downloaded 432 times

Upfile FTP VB.NET:
[vbnet]Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim request As System.Net.FtpWebRequest = DirectCast(System.Net.WebRequest.Create("ftp://ftp.drivehq.com/file.txt"), System.Net.FtpWebRequest)
request.Credentials = New System.Net.NetworkCredential("user", "password")
request.Method = System.Net.WebRequestMethods.Ftp.UploadFile

Dim file() As Byte = System.IO.File.ReadAllBytes("c:\file.txt")

Dim strz As System.IO.Stream = request.GetRequestStream()
strz.Write(file, 0, file.Length)
strz.Close()
strz.Dispose()
End Sub

End Class[/vbnet]

Clip tham khảo xem tại đây :


Hoặc có thể tham khảo clip này để biết cách upfile và download file FTP :


Chúc các bạn thành công !

[tungblt]

http://www.vb-helper.com/howto_ftp.html
nhớ để nguồn