VS 2010 Download Multiple Files?
Aug 20, 2011
My current code is Imports System.Net Imports System.IO Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click#
Using wc As New WebClient()
wc.DownloadFile("http://link.com/1.swf", Path.Combine("1.swf"))
End Using
End Sub
End Class
And that work's like a charm, however say there was swf's from 1 to 2700 or so, how would i go around making it download each of those files one at a time or all at once? I could do a loop but I'm not the best in Visual Basic 2010
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Jul 28, 2010
I'm downloading 3 files from the server using wClient, which goes ok, but I was wondering if the progressbar% is correct.
vb.net
Private WithEvents wClient As New WebClientPrivate WithEvents w2Client As New WebClientPrivate WithEvents w3Client As New WebClient wClient.DownloadFileAsync(New Uri("http://...w2Client.DownloadFileAsync(New Uri("http://...w3Client.DownloadFileAsync(New Uri("http://...' progressbarPrivate Sub wClient_DownloadProgressChanged(ByVal sender As Object, ByVal e As
[Code]...
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Apr 9, 2011
I am new in Webserver. My application is on VS2008(VB.NET) in windows application. Some Customer upload orders in .txt files. Now I want to download all the .txt file at once. How can I do that?
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Jun 21, 2010
i have been assigned a project by my organization to make a portal using vb.net which would list all the files and folders kept at the server, and i need to add a functionality wherein on a single click the user should be able to download all the files present in a particular a listbox which contains various files selected for the download, iam using file.copy method for this as the files are to be copied in the intranet only but this works fine when i run it on my computer but as soon as i deploy it and in the client server architecture the files are not copied even to the server nor in the client, although no error is shown. [code]
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Jun 27, 2009
Now to download a file i have used My.Computer.Network.DownloadFileThis works for the first file but then crashes when it goes to download a second file leavign me with the world most inexplicable exception message: "Illegal characters in path."
Here is the line it occurs on:
My.Computer.Network.DownloadFile(server & patch_files(patched_files), "C:UsersAJDesktopTemp" & patch_files(patched_files))
[code].....
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Nov 14, 2011
I have a desktop application from where i want to download files from the web server. when i am downloading a single file then there is no problem. but when i want to download more than one file there is an error like "WebClient does not support concurrent I/O operations".
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Nov 1, 2011
I have a class that is a downloader (I didnt make it). You create an instance of it like so:
Dim _Down As New WebFileDownloader_Down.DownloadFileWithProgress(URL, Location)URL and Location are replaced by strings. This all works fine. But when I try to download multiple files, it doesn't work, I just add this bit for another file to be downloaded:
[Code]...
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Sep 2, 2009
I'm trying to use the thread pool to download more than one string at a time. But most of the tutorial on threading is in C# or C++ so my knowledge on thread pool is limited.
Here's what I got so far.
Imports System.Threading
Imports System.Net
Imports System.Text.RegularExpressions
[Code]....
I keep getting an error "Cross-thread operation not valid: Control 'Listbox1' accessed from a thread other than the thread it was created on." And it still seems to be downloading it one by one to me.
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Aug 12, 2011
Is there any way to download multiple files at the same time from a remote server? How I am doing it currently is I get a list of files from the target folder on the server then I loop through that list & download each file 1 at a time. For 100 small files it takes about 45 seconds. I'm guessing that the bulk of the time it takes is logging in to the server for each file to download, so 100 files means it has to login, download & logoff 100 times. Is it possible to login just once, download the 100 files then logout?
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Jun 10, 2011
How to download multiple files with a wildcard pattern using webclient DownloadFile? Like project* from [URL]..
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Jan 29, 2012
What is the best method of downloading files in visual basic?
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Feb 15, 2011
I developing an application that downloads some reports from a external ASP web app. I use the control webbrowser to navigate through the pages, generates and download the reports. The URL are in an array ArrURL and I have 2 situacions:[code]
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Jun 10, 2009
how can I calculate the download speed if I use a webclient to download files async
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Aug 19, 2010
I use to ZIP one file:
Public Function CompressFile(ByRef file As String, ByRef destination As String) As String
'Make sure user provided a valid file with path
If IO.File.Exists(file) = False Then
[code]......
But I can't manage to ZIP more then one file! I've tried using an arraylist.
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Apr 24, 2010
I know how to send one file, and ive tried to loop that. But then i get error 500 or 550. So what is a good way to send multiple files over FTP?
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Oct 31, 2010
I'd like to convert a VB6 application to .Net. It downloads multiple files at once and the progress is shown in a Listview. I'm using the Winsock control in a Usercontrol. Every time I start a new download a new instance of the Usercontrol is loaded. This way I can easily download 25 files at once with very low CPU usage.
I looked into the WebClient Class to download the files, but I noticed it only downloads two files at a time. Other downloads won't start unless one of the first two downloads are finished, but maybe I'm doing something wrong.
1) What's the best way to download dozens of files at once? It must be possible to resume the downloads.
2) How do I keep the downloads apart (index number?), so the Listview can be updated accordingly? I don't need help with the Listview itself.
3) Should I use the Backgroundworker or not?
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Mar 11, 2011
I'm using a WebClient to download a bunch of small files from a website, but doing them one at a time takes a long time, approximately 20-30 minutes for all of them. Is there a way to download multiple files simultaneously, to shorten the time it takes?
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Sep 20, 2010
I just started playing with VB, so please excuse my ignorance. I've been trying to find an answer in existing threads, but all the stuff there is very confusing to me.I wonder if somebody could create a complete code for me and paste it in an answer to this post.
Basically, what I need is: In VS 2010 - Windows form.
1. Click a button.
2. Grab all files from specified folder on my computer (different extensions = html, txt, bat and some other).
3. Load all the files to specified folder on FTP server replacing existing files without prompt.
4. Display confirmation if succesful or error message. (a progress bar would be handy, but this isn't crucial).
The folder on my computer is always the same folder The folder on the ftp server is always the same folder[URL]..I need to specify username and password for the FTP server
This should all happen without any input from the user - simply click and message saying 'it is done' once all the files were uploaded.
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Feb 26, 2011
I'm trying to make a "Simon" game with four buttons labeled 1-4. The game is supposed to read the numbers out loud, but i have a problem with that. I have 4 wav files from google text-to-speech, each named 1-4. I made an number generator that can return like this "42331", and the game is supposed to play 4.wav, 2.wav, 3.wav, 3.wav and 1.wav.
Here's what I got so far.
Public Class Form1
Dim rnd As New Random
Dim i = 0
Dim level As Integer = 5
Dim nums As String
[code] .....
It only plays 1.wav (the last in the sequence).
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Jul 11, 2011
I have an application which has multiple files .rtf I open it on a rich text box.
Here is my code for print preview
PrintPreviewDialog1.Document = PrintDocument1
PrintPreviewDialog1.ShowDialog()
I press the button for preview and it shows me the preview. But if I change the content of the rich text box with another file, the print preview shows me empty. How I can send it to a new preview?
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Jul 8, 2011
I have a Listview and OpenFileDialog. I'm trying to add multiple files to listview but code is not working.
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Aug 30, 2011
i need to check a text in a lakh of files. as now am looping through files, is there any other fast approach to make it work easily.
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Feb 25, 2011
Every time I compile my application, during install I get the error:Cannot download application, the application is missing required files
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Feb 8, 2012
I'm trying to implement Bandwidth Total calculation into my little desktop monitoring program using 2 *.txt files. Everything else is working great except for the writing/reading part of it. I had put this together originally without the intention of bandwidth monitoring, but I've decided it would be a good thing to have.I want to have 2 monitoring types: Windows Session Bandwidth Total & All-Time Bandwidth Total (since the program was 1st run on the machine). The counter is on a Timer (2nd of 2), and I want it to write and add the label values each second into the file, then when Form3 is opened, to read the text file and show the results.
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Dec 11, 2011
I wrote a program to download and play AVI files the files are large in size and long time wise. I have the files playing as they are being downloaded but i can't see how long the file is or seek reliably. i was reading that the AVI headers are in the last 512kb of the AVI file *why would't they put it at the start* lol so my question is is there a way to download the last 512Kb of the file i'm downloading. i have the Bytes Read and Length of the file while its downlaoding i'm just not sure where to go from there, or how to do it atleast. If i had the length in time of the Avi file i could set the trackbar to be able to seek properly. or if someone has an idea how i could get the time of the video by using fps and some math i could prob do it that way too but idk how i would tell how i can find how many kb are in the fps i'm sure it changes so think that way is't going to be reliable. how to get the last 512kb would be the best option not sure if it can be done even.
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Apr 22, 2012
I am trying to create a sort of code library in visual basic where the form displays a list box of certain project files in vb that i have made in the past and when clicked, launches the .exe files of those visual basic program project files.I know it does not work the same way as writing/ reading text files to vb and it seems as simple as 'on click, launch .exe of selected string "vb program 1" and so on. I am having trouble getting started on this one. Im sorry I cannot provide any starter code bc I only have a basic understanding of in/out text files which wont work the same way with .exe
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Mar 24, 2011
I have a CheckedListBox. In the box are files from a directory. All *.jpg files.
Now I want to open the checked files with the default program.
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Jul 18, 2010
I'm creating a kind of 'playlist manager' application where the user can create his own music playlist and then play it from my application. However, I don't want to give my application any playback features itself, as there are already so many media players around. Instead, I just want to open the files in the current playlist in the media player of the user's choice.
I have a list of MP3 files (their filenames), how do I now open these files simultaneously in, for example, Windows Media Player? I can get it to play one song, using this command (and Process.Start)
[Code]...
Surely this must be possible? You can open multiple files in windows itself simply by selecting them and opening them at the same time. I'm pretty sure the filenames of the selected files will then be in the arguments of wmplayer so that it can open them, but I just don't know in what format.
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Aug 10, 2011
(Currently using VB.NET 2010 Express) I'm trying to make a program, the main of which is file transfer. I'm trying to create a program that will keep files and folders synchronized across multiple client computers. I'm using a File system watcher to trigger events, and Using a simple System.Net.Sockets UDP client transfer (found via google) to transfer commands between it and itself on other computers.
Here's that code (this just sends from one textbox to another over the internet)
Imports System.Net.Sockets
Imports System.Net
Imports System.Text
Dim udpClient As New UdpClient(1024)
Dim RemoteIpEndPoint As New IPEndPoint(IPAddress.Any, 0)
[Code] .....
By this method, I can rename, move, or delete files. I want to implement file transfer, so that whenever a new file is created, or updated, my program will automatically transfer the file to the other computers and update them there.
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Sep 29, 2010
I'm trying to create a "quiz" program in VB. The questions to be asked are placed inside text files and have the following format:
[code]...
> VB thinks that im trying to open a file named, what im trying to do is open a txt file which have a file name similar to the value of integer.
labelQuestion.text = variable.Readline().
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