Solved

button to download a file

Posted on 2004-03-26
6
243 Views
Last Modified: 2011-09-20
hi,
i need to create a javascript or asp function that allow user to download a file he selected.

Suppose i have this table where I list files users can download  and a button
which allows user to download that file

<td> Nome file </td>
<td><input type ="Button" value ="Scarica"
onclick="download('myFileNamePath');"></td>

ok I need to let user download the file he selected by the function download
Solution can be made both by javascript or by javascript + asp.

Now I tried the second solution with no success: I open an asp file
where I send by get the filename path and add as the lines:

  response.ContentType = "application/octet-stream"
  response.AddHeader "Content-Disposition", "attachment; filename=" & request("file") & ";"

where 'file' is the file I want to let user download

but the IE always download the default asp page ... :-((((

My idea is simply to simulate the 'Save as' browser command
and open a window to ask user where he wants to save the file.

any idea or suggestion would be appreciated.

Thx
0
Comment
Question by:mandolino
  • 2
6 Comments
 
LVL 1

Expert Comment

by:Brandwood
ID: 10686062
<script language=javascript>
function download(locate){
window.open(locate)
}
</script>


<td> Nome file </td>
<td><input type ="Button" value ="Scarica"
onclick="download('myFileNamePath.zip');"></td>


make sure your file is of correct name,

.zip will automatically send to download.
0
 

Author Comment

by:mandolino
ID: 10687075
maybe i didn't explain well my problem...

I need a function, in asp or javascript, that let user download a file selected by an input button. This file may be a text file or a zip file or a pdf file.
The list of the files users can download is dinamically generated.

window.open opens file in a different window....
I need a function that opens a window to the user so he can choose where
to save the file he wants to download.
I need to bypass the explorer setting that decides if the file has to be downloaded or opened in the window.

In other words i need to simulate the 'saveas' command button
generated by a right-click on a file listed in the html page.

thanks
0
 
LVL 12

Accepted Solution

by:
lil_puffball earned 50 total points
ID: 10700285
Try this:

<script>
function saveFile(url){
  var obj=document.getElementById('saveframe');
  obj.src=url;
  setTimeout("window.saveframe.document.execCommand('SaveAs');",10);
}
</script>

File Name <button onclick="saveFile('file.htm');">Save</button><p>
File Name <button onclick="saveFile('file.zip');">Save</button><p>
File Name <button onclick="saveFile('file.pdf');">Save</button><p>

<iframe name='saveframe' id='saveframe' style='display:inline;width:500'></iframe>
0
 
LVL 12

Expert Comment

by:lil_puffball
ID: 10700292
Change the iframe display to 'none' to hide it.
0

Featured Post

Gigs: Get Your Project Delivered by an Expert

Select from freelancers specializing in everything from database administration to programming, who have proven themselves as experts in their field. Hire the best, collaborate easily, pay securely and get projects done right.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Today I would like to talk about localizing (Internationalization) JavaScript applications. Introduction When creating an application that is going to be used by many people around the globe, it is important to remember that not everyone speak…
In my daily work (mainly using ASP.net), I need to write a lot of JavaScript code. One of the most repetitive tasks I do are the jQuery Ajax calls. You know: (CODE) I don't know if for you it's the same, but for me is soooo tedious to write the …
The viewer will learn the basics of jQuery, including how to invoke it on a web page. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery.: (CODE)
The viewer will learn the basics of jQuery including how to code hide show and toggles. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery…

786 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question