[Resolved] VS 2010 - Downloading Image From URL To File
Mar 8, 2011
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.
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Sep 24, 2011
Basically, I have a ListBox with a list of items that correspond to pictures.I have it set up so that when you selected the first word on the list (index 0), then the image 0.png is displayed (index 1 = 1.png, etc) in the Picture Box and the Picture Box resizes to fit the Image.
[code]...
This^ works fine, but I want to center the picture in the group box that it is in each time a different image in selected.My solution was this:
[code]...
No compilation errors, but it^ doesn't center the image. As a matter of fact, there's no noticeable difference at all.
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Jan 28, 2010
Ok, I'm new so go easy on me. I don't know if this is in the right section, so if it's not, sorry.
Goal: To delete extra lines in a text file.
[Code]...
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Sep 17, 2009
How can i make a button that download a file using http show a progress bar about the downloading file state?
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Nov 8, 2010
I am trying to download a file off my web server (easy) but the file its downloading is the updated version of the file running. I finally was able to program my automatic update software the program simply downloads a .txt file from my web server, reads it, and if the the version = (new version here) then download. If not, then go to another form. The problem I am getting though, is when the version is outdated, the file will go to download the new .exe and it gets and error saying "File already exists"
[Code]...
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Aug 19, 2010
I 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.
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Oct 15, 2009
I'm using Webclient for downloading file's information from website host.
[Code]...
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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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Feb 21, 2012
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
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Mar 11, 2012
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.
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Oct 14, 2010
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
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Nov 28, 2011
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]...
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Sep 20, 2009
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.
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Sep 9, 2010
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.
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Jan 27, 2011
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.
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Aug 9, 2011
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].....
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Jul 20, 2009
Been 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.
[Code]....
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Jan 29, 2011
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
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Mar 23, 2011
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
[Code]...
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May 9, 2010
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.
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Aug 15, 2011
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]...
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Jan 17, 2010
I'm trying to save this picture from a website automatically, but the problem is there is no file extension. I tried the following code, but it always gives me an error:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
My.Computer.Network.DownloadFile("http://www.hackthissite.org/missions/prog/2/PNG/", "C:PNG.bmp")
End Sub
Error: An exception occurred during a WebClient request.
P.S - I believe the reason it doesn't have an extension is because the picture changes each time the url is loaded (probably through a php code). I'm not too sure on the specifics, but the lack of an extension is what I am having problems with.
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Jul 30, 2009
VS 2008 SP1 I am using the web client to download a file. Which works ok.However, now I have to download many and the number of files to download will change everyday.I am not sure how I can get the web client to know which files have been downloaded or not? I was thinking of using a for loop to download each file. But I will never know how many there are to download?The web client could download the same file twice?
Private Sub btnStartDownload_Click(ByVal sender As Object, ByVal e As EventArgs)
Dim client As New WebClient()
AddHandler client.DownloadProgressChanged, AddressOf client_DownloadProgressChanged
AddHandler client.DownloadFileCompleted, AddressOf client_DownloadFileCompleted
[Code]...
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Jun 16, 2009
I am trying to download a zip file(which contains 4 text files) from a secure website and getting html page in return. If I do it manually I get the zip file. I am using visual basic express. I am very new to .net programing. why I am getting html page instead of the zip file. The manual process is to login, click ebill tab and select the month from list and click download button, which then open up the save dialog box with the zip file name.
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Dec 22, 2009
i am having a problem with this program below.it downloads a file and has a progress bar to tell how much of the
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Sep 25, 2009
This is my sample code run under thread to download file from ftp server. In that, if the user want to stop file download, i tried to abort the thread. If the control in the while loop, its hang up.
How to close the binaryreader and Stream, when reader in the middle of stream
Using response As FtpWebResponse = CType(ftp.GetResponse, FtpWebResponse)
Using input As Stream = response.GetResponseStream()
Using reader As New BinaryReader(input)
[Code]....
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Jun 1, 2012
In this link there is a text file [URL] . However, using this code, it downloads an empty file. Why ? [vs.net 2005]
Dim Url As String = "http://stooq.com/q/d/l/?s=gc.f&d1=20110602&d2=20120531&i=d" Dim myWebClient As New WebClient() myWebClient.DownloadFile(Url, "c:file.txt")
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Mar 26, 2012
I am creating Excel file download using NOPI libraries. I have lot of data to show in Excel file which taking long time and big file size. Is there anyway we can reduce Excel file size while downloading? Now file size is 32 MB wants to this size.
[Code]...
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Feb 13, 2011
Having problems with this downloader. Its a single file downloader (the file location is in the code) and it only downloads the file as 0kb (it debugs fine). Also, i think my directory finder is not working, as i did it the simple way, because i dont know the environment code. (please note i have changed the website link, but the actual link works fine )
Imports System.Net
Public Class Form1
Dim Directory As String
[CODE]...
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