Use A Wildcard In The Uri Of An FtpWebRequest To Get File Date?
Oct 14, 2009
I am working on an application in vb.net to move files back and forth between a client and a ftp server. We will be creating, deleting, and renaming temporary files during our update process.I want to check for the existence of a temp file before I begin an upload process to keep different users from trying to update the same file at the same time. I have a method (below) to check if the FTP file exists (using ContentLength), but I want to be able to pass in a string with a wildcard such as:
FileServer.FtpFileExists("MyTestFile.*.txt") Can I use a wild card with a FtpWebRequest object? What about a regular expression? Or should I pull down the directory(between 200-500 files) and iterate through that list on the client side trying to match with a regex/widcard? 'Find if File exists from FTP Server for File specified Private Function FtpFileExists(ByVal RemotePath
[code]....
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Aug 20, 2009
I am putting together a simple app and I have it working for uploading, downloading, deleting files using FtpWebRequest. But I cannot find how to move a file using FtpWebRequest. What is the simplest way to move a file from one dir to another without using another external dependancy?
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May 13, 2010
I'm working in this piece of code to transfer a text file from the C: drive to a ftp location. Below is the
Dim clsRequest As System.Net.FtpWebRequest = _
DirectCast(System.Net.WebRequest.Create("ftp://10.0.0.221/sample.txt"), System.Net.FtpWebRequest)
clsRequest.Credentials = New System.Net.NetworkCredential("anonymous", "edge")
clsRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile
' read in file.
[Code]...
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Jun 27, 2011
I have a vb.net window application to upload text file by using ftpwebrequest to a server. my question is: should I add a server response to the client application to make sure the server actually got the file. what I got now is only client side (to upload file to a folder in the server PC), but I havnt got a server side application to send response. If yes, how to create the server side application
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Jun 22, 2010
How can I use wildcard/s for the attachment filename. Part of the filename changes but the characters 8 and 9 (counting from the left to right) always present and always either LK or KL. Currently files are PDF type, thus with extension PDF but might be different in the future (this is not important now).
Here it is: Dim oAttch As Net.Mail.Attachment = New Net.Mail.Attachment("C: est102309LKO.pdf")
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Sep 3, 2008
It's working kinda, but at the end when transfer is finished the file on the ftp is corrupted. I found about 3 ecamples online with this class and they all give me the same corruption
Code:
Imports System.Net
Imports System.IO
[code].....
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Apr 29, 2012
i have written a small app that:-Periodically captures a portion of a screen to jpeg file-Uploads this file to ftp serverAt first i used My.Computer.Network.UploadFileand it worked like a charm. Then i wanted to move to FtpWebRequest async. The reason was because i implemented a global keyboard hook and locking the main thread for upload, disabled my keyboard.I copied the example in MSDN regarding FtpWebRequest. the problem i have is that it seems that the file that is being uploaded is locke
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Jun 29, 2010
I need to upload a file to an ftp site. Can I use a simple webclient or do I need to use ftpwebrequest? What are the differences?
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Mar 27, 2012
New user here. I've been searching high and low for what I would think is a relatively simple task. I want to rename a file with a wildcard (i.e. FileNamexxx.xls) within a Visual Basic Script. I'll be running this script within Visual Studio.
I will only have 1 file in this folder, so I do not believe a loop is necessary.
Actual FileName is "CellModelHistory1251234.xls"
Imports System
Imports System.IO
Imports System.Text
Imports System.Windows.Forms
[Code]...
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Nov 29, 2008
I am currently using the below code to upload a file and display progress. It works fine except there are a few things I would like to do differently.
I am using the main FTP account for my website which has access to all of my files. I set up a different FTP login to use that only has access to a specific folder, but when I try to use it I get: Error 550 No such file or directory or access denied.
This FTP account allows access to: mywebsite.com/upload/users/ only If strFTPAddress = mywebsite.com/upload/users/ I get error 550, I've tried a few other things too and it's told me that it's an invalid URI
Basically what I want to know is if and how I might be able to connect using my second FTP account so that I only have access to the upload/users/ directory.
Code:
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Aug 31, 2010
What I want to do is to replace lets say ##test## with Something(test)..I know that I can find ##test## by: (Though don't know whether there's a smarter way)
System.Text.RegularExpressions.Regex.Replace(str, "##Test.*##", "Output")
So basically the problem is to get what the wildcard (.*) is, since thats really what I need to know..
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Jan 11, 2011
Using vb.net 2005 - FtpWebRequest for ListDirectory always gets 550 error The remote server returned an error: (550) File unavailable (e.g., file not found, no access).
On both FTPListDirRequest.Method = System.Net.WebRequestMethods.Ftp.ListDirectory
FTPListDirRequest.Method = System.Net.WebRequestMethods.Ftp.ListDirectoryDetails
[Code]...
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Jun 10, 2010
This Is regarding the post "FED07" posted which as a couple of months ago.He gives this
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim arr() As String
[code].....
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Oct 22, 2008
I'm trying to compare the modify date of a file vs the current system date. I've found an MSDN article describing how to get the modify time of a file:
Dim infoReader As System.IO.FileInfo
infoReader = My.Computer.FileSystem.GetFileInfo("C: estfile.txt")
MsgBox("File was last modified on " & infoReader.LastWriteTime)
This gest the Date and Time, but I want just the Date not the time.
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May 12, 2011
I would like to be able to either change the current directory (FTP) OR set it up when it first loads. My attempt to set it when the app first loads fails with a 550 error, when i try to change it using the method found here[code]....
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Jul 24, 2010
The underlying connection was closed: An unexpected error occurred on a receive.If I look on te FTP server I can see that the file has been uploaded entirely which led me to believe that the control channel was timing out. I have tried modifying the timeout on the FTP server as well as the ReadWriteTimeout in my code to no avail.Here is my code...
Dim ftprequest As System.Net.FtpWebRequest = DirectCast(System.Net.WebRequest.Create(destination), System.Net.FtpWebRequest)
ftprequest.Credentials = New System.Net.NetworkCredential(username, password)
[code].....
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Apr 29, 2010
is there a way in ftpwebrequest to get the status of the connection? In VB6 using inet component you can use Statechanged, is there a similar way to do the same with ftpwebrequest?
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Aug 29, 2011
How can I get the files size when using ftpwebrequest
I'm downloading files fine, just cant figure this part out
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Jun 20, 2011
I would like to use FtpWebRequest on a remote machine but I am getting remote server returned an error: (504) Gateway Timeout How can I fix this?
Here is my sample code:
Dim localFile As String = Nothing
Const remoteFile As String = "INBOX/"
Const host As String = "ftp://111.11.11.111/"
[code].....
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May 8, 2010
I have a datagridview on a form.
I have a text box and when the text is changed in the text box, i want it to search the datagridview for any matching values.[code]...
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Jun 28, 2011
I am trying to convert a VB6 app to vb.net. It used msInet.ocx and I am using FtpWebRequest to replace it.I have a problem when the password is blank and then remote server throws a 500 error.WebException was handled The remote server returned an error: (500) Syntax error, command unrecognized.
Const localFile As String = "C: eststat.txt"
Const remoteFile As String = "/stat"
Const host As String = "ftp://myprinter"
[code]....
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Jul 30, 2011
I have wrote a web service, in a nutshell it uses openpop to get email messages does stuff with the content to insert into databases and saves attachments which are images. That works fine when i save images locally, it does exactley what it is suppose to. Now an added requirment was to save images to an FTP directory, so i can create my folders dynamically (they are created based upon timestamp) and that works well. My problem comes from when i try to save them to the ftp. Yes my user name and password are correct,otherwise i wouldn't be creating the directory.
Private Sub UploadFile(ByVal fileToSave As FileInfo, ByVal path As String)
Dim UploadRequest As FtpWebRequest = DirectCast(WebRequest.Create("ftp://UserName:Passowrd@999.99.999.9" & path),
[code].....
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Sep 2, 2009
How do you set Site values in FTPWebRequest in VB.net.[code]...
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Jul 20, 2011
I've been having problems extracting the value of a Regex in a String. I have a string with several regex expressions and I need to get the value of each expression's match. The thing is though, it's not returning the last match correctly. For example:
Regex Pattern: I play (S+.*?) and (S+.*?)
String: I play the guitar and the bass The program is returning the value of the first expression as "the guitar" but it's returning the value of the second expression as "the" instead of "the bass".
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Mar 15, 2011
This will be my first post on this site, so I thought I would make it a doozy. I have an web application on our site at work that allows users to login to the system, and submit filings for dockets that our state agency governs. Without getting to involve with what that means, they basically upload mostly .pdf files, but there are others that are acceptable to upload as well. The current system that is being used, uses a simple FileUpload and saving it to a folder on the d: drive of the webserver. I ran into a problem that with anyone outside the building/network, the upload is extremely slow and seems to be limited files no larger than about 1.4MB. There have been a few cases where larger file have made it through, but those ar few and far between. I've tried a couple different 3rd party components, but seem to run into the same limits. So, I install the FTP server on the box with the IIS and am trying to go the FTP route using ftpwebrequest.
Below is what I have put together so far:
Imports System.Net
Imports System.IO
Partial Class _Default
[CODE]...
This seems to work as it is at the moment, but I know it has a long way to go for catch exeptions, speeding it up...
1.) The first problem I have run into is if you try to upload to large a file, you get Out of memory error. I'm needing to change the buffer so that it is buffering chunks instead of the entire file. I've googled over and over again and seem to find several good options in C#, but can't seem to convert them to VB. So, could some one give me some idea how to take what I have and change the buffering to use smaller chunks.
2.) I need to catch an empty UploadFile field.
3.) I will eventually be changing this so that it handle multiple file uploads like my current system uses. (Did I mention that I'm new to the ASP.NET and have been programming in .ASP)
4.) As you will notice from my list of acceptable file types, I might have a problem with some needing to be upload as Binary and some not. So I'm going to have to come up with a way to test and change the Requested.UseBinary = False as needed.
I'm sure that I'll find other items as I progress or the big bosses will find other things that they want to add, but for now.... I know that given enough time, I will get all of these items worked out.
By the way, we have a network adminstrator that leave a lot to be desired and most IIS and now FTP I'm having to learn, implement and configure. I'm wondering if there is anything else that could be causing these limits in file size. Since I've tried 4 completely different forms of uploads and they all seem to run into the same limits, I thought there might be something in a router, firewall, server configuration.... that I might need to look into as well.
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Jan 22, 2012
Can FtpWebRequest work with sites like Box.com or MediaFire (I suppose it isn't FTP)?
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Oct 26, 2010
I'm having trouble finding a reliable method to check if a directory (folder) exists on an FTP server. I want to create new directories and then upload files into them but thought it best to check if the directory already exists. Although attmepting to create a directory that already exists does not seem to cause any errors, it does waste a bit of time.
This code reliably checks if a FILE exists:
[code...]
I have attempted to modify this with ListDirectory in place of GetDateTimestamp (to check if a directory exists) but it seems no exception is thrown whether the directory exists or not. I've done lots of Googling but haven't found a satisfactory answer.
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Aug 11, 2009
How do I add a wildcard parameter to my query. Im using a mysql database. The following doesn't work:
Dim occCmd As New MySqlCommand("SELECT occupationid,descr FROM occupations WHERE lcase(descr) like '?descr%';", con)
occCmd.Parameters.AddWithValue("?descr", prefixText)
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Feb 5, 2009
I'm trying to use the bindingsource.find method to match a datarow column with a user entered text. I know that using BindingSource1.find("columnName", searchString) will work when the user enters the exact string. What I would like to know is how to find a row that is close to the string using a wildcard search... a good example I guess is:dim searchString as string = textbox1.text 'lets say the user enter "se"dim index as integer = myBindingSource.find("columnName", searchString) 'I would like to find the firs record that starts with "se"I can achieve the idea using the bindingsource.filter method but this will interfere with other parts of my application if the bindingsource is changed.
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May 18, 2009
As you can see in the picture I send my wildcard parameters to my query if the "textbox" does'nt have any content. But when the query require INT, and not STRING, I don't really know what to do.Is there another kind of wildcard when it's INT?
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