FTP Download CSV File In Excel

Apr 29, 2009

Does anyone know of a better solution for downloading a CSV file by FTP, than the one I have below:



Export DataSet To Multiple Excel Sheets And Download Into A Zip File Using Asp.net C#?

Jan 21, 2011

how to Export DataSet to Multiple Excel Sheets and download those file into a zip in C# asp.net?

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Block Excel File "Download" Popups

May 3, 2011

I have an application that opens a bunch of Excel files in the background and saves them as pdf files (amoung other functions) and when accessing these Excel files on a shared drive I get a lot of quick pop ups that look like they say "Downloading..." something or other (to hard to get a screenshot) they also have a progress bar. I was wondring if there was a way for me to stop them from displaying.


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Download File From Http Server That Requires A Referral Before Allowing Download?

Nov 18, 2011

I usually download file using following code:My.Computer.Network.DownloadFile("url of the file","filepath to save the file")But recently I encountered a site that only allow file download if you click it from its site and not via direct downloading from vb.net code.How to download file from http server that requires a referral before allowing the download?

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Asynchronous File Download And Synchronous File Download?

Apr 13, 2011

What is the meaning of asynchronous file download and synchronous file download ?

I came to them while using system.net.webclient class

I know a basic meaning of tcp/ip and http .

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Download Multiple File + Progressbar But Cant Download File

Nov 10, 2011

i try to download multiple file + progressbar.. but its seems nothing happened and the file is not download.. my program just function like.. when the file was error.. it will download the latest file from webhost..


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Using A WebClient To Download A File, But Being Able To Get The Download Information?

Oct 23, 2009

Imports System.Net
Public Class DownloadStuff
Dim downloader As New WebClient()


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C# :: Excel Download Library?

Jun 21, 2010

Do we have any free 3rd party library that we can use in asp.net for download Excel sheet

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Excel Download From ASP.net Page?

May 4, 2012

I am very fairly new to web programming. I am attempting to download an excel from an ASP.net website. IT does not need authentication, however I am unable to debug the URL as firebug would just not how me the request URL. Searched high and low.

Website: [URL]

Actions: I click "Summary Download" button to download the excel.

I have no idea where the onClick() goes.

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Download A File With A Download Timeout?

Feb 4, 2010

I want to download thousands of files from the web and save them locally. What is the most efficient way? It is important the failures timeout within 10 seconds.

Is there a better way to stream one stream into another? Maybe a smaller buffer, like 1024 bytes at a time, is more efficient for large files?

Dim w_req As System.Net.HttpWebRequest = CType(System.Net.HttpWebRequest.Create("http://blah.blah.blah/blah.html"), System.Net.HttpWebRequest)


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IDE :: "File Download" Dialog / Way To Perform Download Operation At Back-end

Jun 15, 2010

I have created a application in vb.net. I am using Web Browser control in it.With this Web Browser control I open an URL and tries to Download something, it will populates an dialog for "File Download" to Open/Save/Cancel for the file..I am downloading the .ZIP file, and it will not show the checkbox for Automatically Do.Is there any way to perform the Download operation at the backend, means it will not ask me for such options.

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Asp.net - Jquery $.ajax Call For Download Excel Not Working?

Mar 29, 2012

I am using $.ajax call for download excel from .aspx page. But ajax throwing an error after Response.End. This is the code I used. Control is processing till Response.End() then alert(textStatus); giving parser error.

type: "POST",


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C# - Excel Download For Chinese Printing Unwanted Characters?

Jan 17, 2011

I am trying to download chinese data from database to excel. But data is coming with different charecters in Excel like this Here is the my code for download excel. I don't understand what's wrong in my code.


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Jquery $.ajax Call For Download Excel Not Working?

Aug 30, 2010

I am using $.ajax call for download excel from .aspx page. But ajax throwing an error after Response.End. This is the code I used. Control is processing till Response.End() then alert(textStatus); giving parser error.

type: "POST",


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Using Yahoo Finance To Download Stock Quotes Into MS Excel?

Jun 12, 2009

Im trying to set up an Excel spreadsheet that will download semi-real time stock prices. Yahoo has a html web address which will download a quotes.csv file (prices delayed by about 15 min).[URl]..In the excel spreadsheet i have command button. when i click the command button i would like the stock data to be downloaded and inserted into excel.

The stock symbols will be typed into a cell on the spreadsheet by the user.

The tags will be constant and written into the code.

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VS 2010 Download Excel Files Opened By Webbrowser

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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VS 2008 - .txt File - Write The File Path So That Someone Else Can Download My Program And File And Read The File

Feb 27, 2012

Reading a .txt file in VB.net. My file path is C:UsersMyLilMulePepeDocumentsVisual Studio 2008Projectscurtain_calls.txt.

This is my line of Dim LoanOptionsFile As String = "C:UsersMyLilMulePepeDocumentsVisual Studio 2008Projectscurtain_calls.txt"

I can read the file when I run the program, but how do I write the file path so that someone else can download my program and file and read the file on their system?

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Asp.net Using Oledb To Export Excel File Returns Empty Excel File

Feb 24, 2010

I am using asp.net oledb to export information to excel file. I encounter problems when the information to export becomes too big, in this case the code I have given below, the excel file generated becomes an empty spreadsheet.If I changed the loop to 1123 for insertion of the rows. The generated excel file is fine, 1125 rows, and 4 columns shown.A test program in windows form is also working fine regardless of how many rows.[code]I couldn't find a solution to my problem as well. What I did eventually was to run the process using another separate windows service. The code works perfectly fine running from a windows form or service program, but not asp.net, not sure why.

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Export To Excel Excel Could Not Open The File Because The File Format Is Not Valid?

May 8, 2012

I have this issue that occurs with me and driving me crazy i have a report that contains thousands of records and i need to export it to excel , but the excel normal extension .xls

is showing missing records at the end of the file , so i save my file as an .xlsx extension it saves correctly but when i open the file it generates an error

"Excel cannot open the file '<var>filename</var>.xlsx' because the file format for the file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file."but when i test the file i drag it and open it in an empty notepad all the records shows up correctly

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Download File Read HttpResponse Content-Disposition File Name Encode?

Dec 16, 2010

I cannot read filename in response header:Content-Disposition: inline; filename="

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Use The WebBrowserControl To Download A Program Generated PDF File Without The File Save As Dialog

Sep 15, 2011

I am writing a Windows Form program to automatically download and store generated PDF reports from a web site using the WebBrowser Control. The web site uses Ajax to link an icon back to the source aspx file which then returns a PDF file.

The problem I have is that the WebBrowser control brings up the File Save As dialog box when the PDF file is returned and I can find no way of handling this to cature and save the returned file. I have found other examples of how to manage this using the Navagating event to validate the extension of the file that is being accessed (e.g. [URL] and, if not an HTM, file then use the HTTP Web control to directly download the file. Unfortunately this will not work as the call references a .aspx page.

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VS 2008 Make A Button That Download A File Using Http Show A Progress Bar About The Downloading File State?

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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VS 2008 Multiple File Downloader - Only Download One File At A Time

Dec 25, 2009

i made downloader that will display the following items to the user. The Name of the file that the user is downloading The Url Were the file is being saved The Size of the file The speed at which the file is being downloaded And the Status. But the Problem is that the downloader can only download one file at a time. How can i make a multiple file downloader Which if the user wants to download 2 or 23 files he can.

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Creating Download Link To A File On A File Server

Oct 11, 2011

I'm looking for a way to (easily, by preference ;)) create a download link to a file on a separate file server.The situation is as follows: the application I'm developing (asp.net 2.0 in vb.net but I have a similar issue in c#, either solution works for me) will be run internally for a company.As is good practice, the file storage and web application are on two separate servers.I basically need to be able to create a download link to a file, the only available URL i have to access the file is servernamefolder1folder2folder3file.txt (can be any sort of file)[code]Which doesn't work for obvious reasons. It used to be set up to write that file to the application path itself and that worked perfectly, but it isn't good practice and that's why I'm changing it (or trying to).I read solutions about creating a download page and then having a table in your DB which holds the links and returns the proper web URL for download but the time constraint I am faced with unfortunately doesn't allow me to develop that.

Assuming I can provide a string with the full filepath to the file like the above, what is the easiest way to just create a link that, when clicked, downloads the document? I have 0 admin rights in this environment. That really isn't helping me. Let's assume I am given the correct link like above and have the appropriate file access rights and such.The above example does work in IE, but not in Firefox and Chrome. IE converts it to a file://servername/... link which does what it's supposed to, but FF and Chrome both actively decided that this is unsafe and have disabled it from their browsers.

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Download A File From A Url And Have It Zip To A Specific User Defined File

Jun 15, 2010

im going get ot the point i just wanta download a file from a url and have it zip to a specific user defined fileurl so here is my fake code please put in vb 2008 language. [code]

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Download A File From Https Site Only Know Partial File Name?

Nov 6, 2009

i want to automatic file download using vb from an https site.i don't know the full file name. the file name is make up by 2 pieces, i only the 1st portion of filename.

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Office Automation :: Excel File - Set A Reference To The Microsoft Excel 12.0 Object Library

Oct 6, 2009

I'm trying to upgrade a VB6 app to VB 2008. I have read the article in the tutors corner about automating Excel from VB but I cannot get it to work. Heres what I have done:

1) set a reference to the Microsoft Excel 12.0 Object Library

2) Added "Imports Excel = Microsoft.Office.Interop.Excel" to the top of the module

3) in a routine I have added: Dim X As New Excel.Application Here's where I get an error: Error 75 'Application' is ambiguous in the namespace 'Microsoft.Office.Interop.Excel'.

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Combine Excel File & Csv File And Save As Excel.?

Jan 26, 2009

I'm working with vb.net 2008. My application generates 1 excel file (with login details etc). The application will store user results for various sections into csv files. I'm trying to combine the csv files into the excel file. I'm trying to get this to work with one csv file initially ...but I am ending up with a blank Excel file. This is what I've tried so far:

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim oExcel As Object


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Combine Excel File & Csv File And Save As Excel?

Jan 26, 2012

I'm working with vb.net 2008. My application generates 1 excel file (with login details etc). The application will store user results for various sections into csv files. I'm trying to combine the csv files into the excel file. I'm trying to get this to work with one csv file initially ...but I am ending up with a blank Excel file. This is what I've tried so far:

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim oExcel As Object


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Office Automation :: Code Hangs When An Excel File Is Opened To A Excel Workbook Object?

Aug 3, 2009

I use the following code snippet

Dim exlapp As New Microsoft.Office.Interop.Excel.Application
Dim xlWorkBook_new As Microsoft.Office.Interop.Excel.Workbook
Dim strOriginal As String
strOriginal = Server.MapPath(Request.ApplicationPath & "/Attachments/") & "abc.xls"
xlWorkBook_new = exlapp.Workbooks.Open(strOriginal)

The code hangs in the last line. It works fine in the development environment. i deployed in windows server 2000 ,where I get this issue. the browser goes half way and throws the below exception after some time


I have set the identity impersonate to true in web config. This should be mostly an access rights issue.I have even provided access rights for the "everyone " user in the excel file and as well for the interop component. Please post ur valuable comments.

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Display Excel File (even If Excel Is Not Installed) Library? Method?

Mar 5, 2012

I have a project that has a need to display a Excel file in second window, but because other controls are needed, simply launching excel is not sufficient. Right now I do not know if the target machines have excel installed but I know with certainty that if they do it would be 2010, is there any method or library that allows you frame your own form around an excel window?

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Open Excel File And Reusing Existing Excel Instance?

Jul 13, 2010

I have an application the contains several excel files bundled with it. I'm not opening the files and processing them within my application. These files contain a data-connection to reload all of the pivot-tables within each excel file. I have a 'link' on my form, that when clicked, it determines which file to open and calls a sub using filename and executing Process.Start(filename) for any excel file I want to open. I have no problems opening any one of the files and then exiting excel.

The problem is when I 'close' a file, but don't exit Excel; then try to open another file(clicking link on form)... it creates a new instance of Excel.

I know from experimenting that the fileopendialog form will 'reuse' an existing Excel instance, IF it does not already have a file open.

How can I do the same thing without using the fileopendialog?

I don't want the end-user to have access to the folders where these files live. That's why I have multiple 'links' on my form, one for each xls that already exists. I just want them to be able to click on a link and the xls file opens AND if they choose to merely 'close' a file and not exit... Don't create a new instance of Excel, but re-use the existing one.

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Took Oledbconnection With Excel File But Unable To Open That Excel Manually?

Mar 10, 2009

I took oledbconnection with excel file, after disposing this connection i m still unable to open that excel manually,It shows some access error.

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VS 2008 : Use Code To Read Excel File With Excel Installed?

Feb 7, 2012

I am uploading an excel file to my app and want to read it. Do I need to have excel loaded to read this?I am getting an error of Object reference not set to an instance of an object.

Public Function GetExcelData(ByVal ExcelFilePath As String) As DataTable
Dim OledbConnectionString As String = String.Empty


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Excel Interop: System.Runtime.InteropServices.COMException (0x800A03EC): Microsoft Office Excel Cannot Access The File

Feb 25, 2010

I need to create an excel file from the database records. I fetched and put the data in an excel file and tried to save that file as follows.


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Download File With File Information And Progress Bar?

Sep 16, 2009

well i'm currently making a downloader for miniclip games to play them offline. i could make the code to get the download link and i could download them getting the code to get the link took some time to collect . i could find through google how to download that link

My.Computer.Network.DownloadFile(TextBox2.Text, SaveFileDialog1.FileName)everything works fine and the file is downloaded successfully, what i need to know now is how to get file size, or how much is downloaded from the file, download speed and show the download on a progressbar

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Get To A Webpage That Has A File Link To Download A File?

Jan 4, 2012

I am trying to automate file downloads. Sometimes I get to a webpage that has a file link to download a file, but it is not a direct link. Instead it is a PHP request on the server side, for the file.

Is it possible to automate this using the webbrowser control, or is there another way I can do this using VB .NET?

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Have Program Download File From Non-file Web Address

Feb 2, 2010

I have an account with a website and I want my software to automatically download files that are generated.

I go to the website and login, and then I click a link that downloads a file. Unfortunately, I can't use the My.Computer.Network.DownloadFile function, because the first argument of that function is a file address (http:// www . website . html/file.txt). Instead of that, the address if I look at the link to download the file is something like this (http:// www . website . com/pid=1&output=csv&action=view&pview=pview).

You see how this won't work? I'm looking to use my software to automatically download the file that's available, but I can't use the DownloadFile function.

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DB/Reporting :: Read Excel File Without Excel Installed Using VB?

Feb 27, 2012

I tried to read excel file using the method i found here [URL] But i get an error on ADODB.Connection saying "Type 'ADODB.Connection' is not defined" in the following code:

Private Function GetExcelConnection(ByVal Path As String, _
Optional ByVal Headers As Boolean = True) As Connection
Dim strConn As String


Its was used in VB6... do i need to do something special in Visual Studio 2010?

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Export An Image Into An Excel File Without Excel Installed?

Oct 7, 2011

I need to export Chart(image) and grid (tabular) row data into excel file. I can not use automation because Office tools are not installed in my server. I've found a bunch of free/proprietary tools like:

ExcelWriter (softartisans)
JetCell (DevTrio)
Aspose.Cells (Aspose)

But I do not know which one is better for my needs. I need to export not only grid row data but also Chart (image), thats why I am thinking about.

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Insert Macro Into A Excel File Without Using The Excel Com Library?

Aug 30, 2010

Is there any way to insert an existing macro into a existing excel file without using the excel library ? I need this to set the excel to print whole work book .I cannot use excel library because it will be done online in the server where installation of excel is not possible. I can however use the c#.net coding . I am using NPOI to generate the excel.

the macro is given below

Private Sub Workbook_BeforePrint(Cancel As Boolean)
If printed = False Then
Cancel = True


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Print Excel File Form Without Opening Excel?

Jul 4, 2005

How to print excel file form vb .net without opening excel?

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Save An Excel File After Opening Excel Application?

Jan 28, 2010

i'm trying to save an excel file after I open my excel application. This is what I have so far:

'Opens the report
xlPeakDemand.Visible = True
xlPeakDemandWorkbook.SaveAs("C:Documents and


When saving as an xls it works fine but when saving as a htm its a disaster Just a bunch or symbols and stuff. BUT if I go into my xls document and Save As webpage from there, it works fine!

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Download A File Via IE?

Jul 22, 2009

We are trying to find a way to download a file (PDF) that is attached as link to a web page. In our VBA application we were using URLDownloadtofile but that command has seemed to stop working and we think the company changed the proxy setup. We believe that the system needs a log in to work correctly, so we decided to try it in VB 2005. I was trying to find out if there is a way for me to use a similar command, and I am hoping that if I stay attached to the web browser active session that I'll be able to bypass the problem.another way to do it that would work in VBA that would be fine too. The benefit to the VBA is that all of the code is written unlink my VB 2005 app which is only partly done.

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Download File From FTP?

Nov 8, 2009

I have the following code to download the file from FTP. But from the code below, it had set the destination to C: constantly. How should I change the code so that savefiledialog can be prompt and the destination will be the one that choose from savefiledialog??

 My.Computer.Network.DownloadFile("ftp://abc.my.com/IN/1.txt", "C:1.txt", "abc", "password")

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