Download a file using javascript

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Hi All,
I am trying to download a file through Java Script. The file path I am getting from code behind. When I am clicking a ASP.Net Button onClientClick it should hit the java Script function which is client side, and save a specific path on the local system.

Below is the Code

onClientClick event below function is calling
function WriteFile() {
var fso = new ActiveXObject("Scripting.FileSystemObject");
var fh = fso.CreateTextFile("c:\\Test.bmp", true);
fh.WriteLine("Some text goes here...");
fh.Close();
}

but it is not happening.

Please help.

Thanks to All.

Indrajit Dasgupta

What I have tried:

download a file using javaScript

Posted 13-Jun-16 21:09pm

IndrajitDasgupat

Updated 13-Jun-16 22:29pm

v2

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phil.o 14-Jun-16 3:12am

What have you tried?

IndrajitDasgupat 14-Jun-16 3:25am

on ClientClick event below function is calling
function WriteFile() {
var fso = new ActiveXObject("Scripting.FileSystemObject");
var fh = fso.CreateTextFile("c:\\Test.bmp", true);
fh.WriteLine("Some text goes here...");
fh.Close();
}

but it is not happening.

phil.o 14-Jun-16 3:25am

Please use the green "Improve question" button, and put your code there.
Code in comments is hardly readable.

IndrajitDasgupat 14-Jun-16 3:31am

ok

1 solution

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phil.o · Answer 1 · 2016-06-13T22:29:00

This article could sched a light on your problem:
FileSystemObject Basics[^]
Especially the part:
"Because using the FSO on the client side may provide potentially unwelcome access to a client's local file system, you should use it only in scripts executed on the server side. Internet Explorer default security settings do not allow client-side use of the FileSystemObject object. Overriding those defaults could subject a local computer to unwelcome access to the file system, which could result in total destruction of the file system's integrity, causing loss of data, or worse."