2012-02-24 176 views
-1

我正在编写一个程序,在按钮单击事件中使用FTP访问远程文件数据。在按钮单击事件的第一行中设置断点。该程序正在使用Windows应用程序 vb.net 2008.点击按钮时未触发事件

如果我运行应用程序,当我点击按钮时,它不会触发按钮的单击事件。帮我纠正。

这里是我的代码:

Dim reqFTP As FtpWebRequest 
Dim filepath As String 
Dim filename As String 
Dim filename1 As String 
Dim ftpserverip As String 
Dim ftpuserid As String 
Dim ftpPassword As String 
Try 
    filename1 = TxtRemoteFile.Text 
    filepath = TxtLocalFile.Text 
    filename = Locfname.Text 
    ftpserverip = TxtServerIP.Text 
    ftpuserid = TxtUserName.Text 
    ftpPassword = TxtPwd.Text 

    Dim outputStream As FileStream = New FileStream((filepath + ("\\" + filename)), FileMode.Create) 
    reqFTP = CType(FtpWebRequest.Create(New Uri(("ftp://" _ 
         + (ftpserverip + ("/" + filename1))))), FtpWebRequest) 
    reqFTP.Method = WebRequestMethods.Ftp.DownloadFile 
    reqFTP.UseBinary = True 
    reqFTP.Credentials = New NetworkCredential(ftpuserid, ftpPassword) 
    Dim response As FtpWebResponse = CType(reqFTP.GetResponse, FtpWebResponse) 

    Dim ftpStream As Stream = response.GetResponseStream 
    Dim cl As Long = response.ContentLength 
    Dim bufferSize As Integer = 2048 
    Dim readCount As Integer 
    Dim buffer() As Byte = New Byte((bufferSize) - 1) {} 
    readCount = ftpStream.Read(buffer, 0, bufferSize) 

    While (readCount > 0) 
     outputStream.Write(buffer, 0, readCount) 
     readCount = ftpStream.Read(buffer, 0, bufferSize) 

    End While 
    ftpStream.Close() 

    outputStream.Close() 
    response.Close() 

Catch ex As Exception 
    MessageBox.Show(ex.Message) 
End Try 

在运行时,当我点击控制没有进入到一个点击事件

+0

它是一个Web应用程序吗?双击Visual Studio中的按钮,然后在那里输入代码。 – Cerveser 2012-02-24 10:01:39

+0

你会去清楚地阅读问题.... – Fernando 2012-02-24 10:20:56

+0

你有没有尝试设置按钮AutoPostBack属性设置为true? – user959631 2012-02-24 10:53:53

回答

1

的按钮,它可能是你的代码是不是在正确的处理程序。

双击表单上的按钮,并确保代码存在于此。如果没有,只是简单地复制并粘贴。

希望这有助于!