i am trying to make a program that will download different files from a direct link and i am having troubles. i can get one file but not anymore. plus is there away to let the user select the folder that the files go to? i tried using the folder browser
View 1 RepliesI'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?
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?
View 1 RepliesI've come up with a way of downloading multiple files specified in a txt doc held on a web server. The problem is it only downloads files not folders, im using the following from the codebank to download the files currently:
Try
mCurrentFile = GetFileName(URL)
Dim WC As New WebClient
WC.DownloadFile(URL, Location)
RaiseEvent FileDownloadComplete()
Return True
Catch ex As Exception
RaiseEvent FileDownloadFailed(ex)
[Code] .....
Can I modify this to allow downloading of folders too or will I have to use a completely different method?
I'm trying to code a program that can download multiple files at once (on different threads of course). I have created a custom listview component that will allow me to add a progressbar directly to it. What my real question is, how can i take a url given by the user from an input box and create a new webclient to handle the downloadasynchronously
View 2 RepliesI was wondering if there was anyway to 'scan' page sources of websites and download only certain files based on their extensions, as you would by going to view -> page source in a web browser? Then, saving, perhaps, a .pdf, or a .swf file? I really don't know where to start.
View 6 RepliesI'm using Webclient for downloading file's information from website host.
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if I had the full path of a .swf file on a website: eg [URL]
I'd have the webbrowser1 navigate to the address as shown before.
Then i'd like to webbrowser to download the file, in compatibility with a savefiledialog.
I have used many different "snipets" of code to download .txt from the interent however, each time, instead of showing [code]All failed to put it exactly how it is set out in the beginning. So I was wondering can anyone fix this? I do have a button to press so it downloads it and my declarations are:
-Imports System.IO
-Imports System.Net
I was trying to use application.restart() to restart my application after downloading a new update. It seems to run into the problem where it is trying to start the new application before the original is closed so it errors out and never starts. After reading through some threads here I determined the better way to handle it would be
application.exit() process.start(application.executablepath) This didn't work and gave me what seems to be the same problem. I would also like to note this works fine when running the application through visual studios, it is only when I try to run this independent of VS2010 that the application never restarts.
Here is this code of the webpage:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>File List</title>
<style>
[Code]...
What I am wanting to do is create a program that will load up a page (it is password protected) and get the links out of any files that I need to download. The green text is the text that contains the link and will be repeated for every file.One little thing is that there are multiple pages that are accessed through JavaScript with the code highlighted in red. So, I also need to step through the pages and get a list of all files on subsequent pages.
Everytime I run this program, it will get a list of all files and only download the ones that aren't already downloaded. However, I have never done this before and was wondering what I need.I have accessed the source of pages and parsed it for things like links before, but not sure if that is the optimal way or if there is some other way to handle this particular situation easier, especially since I have multiple pages to deal with and JavaScript.
Let's say I'm trying to have a program that will check for a version.txt file online, and enable the user to download a new version of my .exe.Here is an example of how i get the new version. I apologize for the old syntax, but i just got out of VB6 and am still learning FileStream, etc. Inetconnection is just a function similar to Webclient.DownloadData.
DABytes = InetConnection(Pathy)
Targetfolder = Application.StartupPath & "DA.exe"
foldera = FreeFile()
[code].....
I have been searching for quite some time, and while this might be easier than I am making it, but this is the first time I have tried to do something like this. My issue is that I am creating a pdf and need to include am image that I have to download from a dynamic URL. The issue I am having is how do I get the image saved to a file on our server? As far as I have seen, there is not a way to directly put in the image into the pdf - but if you know a way to do this, that might work instead.
View 4 RepliesThe following code is giving me a headache. As you can see there are message boxes in there for a quick debugging tool. It displays the messagebox "Still looping" once, and then shows the form. No other code runs. Doesnt matter what I put it it just doesnt run. I can't see a problem anywhere....
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I'm really new at programming and was looking for guidance about a project I have.I have to design a program that administers a multiple choice test to users. It delivers questions one at a time, from a predefined test file for the user to answer. It also marks and displays a score at the end of the test.
First, a QUESTION form verify's the user's registration status and access. The user provides a registration number and password and the program reads it from a "registration.txt" file to determine if the user is eligible to take the test (i.e., they are registered to take it). If it is correct, then the user presses the "Begin" button. If not, then a message appears and the student tries again to enter the information.
A read only text box will display the score at the end of the test (String with format correct/total) and the user can't retake the test.Second, a QUESTION form opens after clicking "Begin" on the entry form. The questions are going to be from a "testfile.txt" file.Each question is on multiple lines in the file. The first line consists of the question followed by possible answers followed by the correct answer ( 3 items are separated by "#"). The current question number and the question will be displayed in textboxes.'n'= possible answers; so each of the next 'n' lines provides a possible answer. All possible answers will be displayed in a Listbox.After the user selects an answer, an ''Enter'' button is pressed. This will submit and evaluate the answer. If nothing is selected a textbox should appear and display the error message (APPEARS ONLY IF THERE IS AN ERROR). After pressing ''Enter'', the next question is displayed.When all questions answered, the entry form is displayed again and displays the score.
I know that's a lot of information, but I wanted it to be really clear. Would it be best to cycle/loop the questions with a DoWhile loop? And how would I store the answers while the user goes through the test?
I am trying to download a file from an FTP but i keep getting this error:
"Invalid URI: The format of the URI could not be determined."
The code i'm using is:
Dim rfn As String = "/guildford/jobs.jd"
Dim lfn As String = "C:web"
Dim ftp As FtpWebRequest = CType(FtpWebRequest.Create(RFN), FtpWebRequest)
Console.WriteLine("Downloading: " & RFN)
[Code]...
I've got a code in VB that will download a txt file from a website. The problem is I want this file to be downloaded into whatever folder that my program is in. for example, if my program was in C:
andom_folder then I would want this txt file downloaded to C:
andom_folder
Here is some of my
My.Computer.Network.DownloadFile _
("http://www.mywebsite.com/test.txt", _
"define where file should go here")
But in the spot to put where to place the file, I can't just put C:andom_folder because individual users may have this program installed in other parts of there computer.
How to code a progress bar with file downloading?User need to download a big file and I like to show progress bar from begin to end.
View 10 RepliesI am using AxWindowsMediaPlayer on VB.NET to preview MP3 files from the web so that the user can choose to download it if he likes it. It works. I just put a link in the URL property and after a while it begins playing. ... after a while, of course. Because it has to download the file first. Perhaps I realized that because of my slow connection XD. But that made me think: how can I tell if the player is currently downloading a file? So that I can put a label saying "Please wait, preparing file..." or something.
View 1 RepliesUsing the below code I get error 404. It will download the file with 0 bytes so its working somewhat.
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In my web app, I have an aspx page which contains an html table and several lines of text. I need users to be able to download this whole page as a separate file.
In the past I have used the a webclient to do this:
Dim myWebClient As New System.Net.WebClient
myWebClient.DownloadFile(strSource, strDest)
Response.AddHeader("Content-Disposition", "attachment;filename=test.doc")
Response.Write("test.doc")
but it appears this is only able to download html pages.
I have some exe files that I've uploaded into my database as I don't want them to be publicly accessible. I tried using a link button and a generic handler to serve the file using the following code:
Context.Response.Clear()
Context.Response.ContentType = "application/exe"
Context.Response.AppendHeader("Content-Disposition", "filename=program.exe")
Context.Response.BinaryWrite(binaryfile)
The problem: Google Chrome does not treat the download as any other exe, instead after downloading it reports "program.exe is not commonly downloaded and could be dangerous." with a "discard" button and the option to "keep" the download is hidden under a context menu.
serve exe files stored in the database?
I need a coding to block downloads and uploads for all browser like firefox,googlechrome,ie etc. on system in VB.NET
View 1 RepliesBeen a while since my last posts, so i'm kinda back again ^^ Me & my friends are gonne have our annual LAN party again next weekend, and I'm usually the one in charge of taking care of things, setting up the network etc etc. One thing i've noticed over the past 4 years, is that it usually takes us a day to get everyone set up correctly, all games up to date etc etc.
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i'm new to networking in VB.net and i cant figure out how to download a file from a website. The problem i'm running into is that
My.Computer.Network.DownloadFile
I have this code to download a file from a ftp server. It works fine, well I guess semi fine ..lol.. files larger than 10 mb are the problem. Files starts downloading and when it reaches 85 % i get an error Arithmetic operation resulted
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Is there any way in Visual Basic 2010 that I can download a file to a specific location, with a progress bar showing how much of the file has downloaded.
View 6 RepliesI have an issue with excel downloading with one of my aspx page. Excel file size is 256KB only. File downloading from all aspx pages except from one aspx page. I am not understanding why this is happening. Not only that, It is working on DEV and QA environments but when we pushed the same code to production. it is not working.
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Im currently working on a program that will download some files and place them inside a folder. The tricky part is that the folder they have to be puttet into is a .jar file. The jar file is always the same place, and that is in %appdata% the full location would be "C:UsersBrugerAppDataRoaming.minecraftinminecraft.jar". With "minecraft.jar" beeing the destination for the files
Ps. Im trying to create a mod installer, since some people are having a little trouble installing mods for minecraft. Minecraft can be found at [URL]
I am trying to use WebClient to download a .zip file from my server. In debugging mode the code works perfectly, but when I deploy my software the file does not even begin to download.After my program checks to see if an update is available, it should download the .zip file from my web server via the following
[Code]...