Hiding input type=file, access denied error

10-17-2006

Hi All,

I need the file chooser in the jsp, just for brosing and saving the
file path in the database, so i have used the following code.I dont
need to read the file content. I have to make it hidden because in
edit mode i need to show the field prepopulated with the file path,
which doesnot happen with input type=file, it cant be shown
prepopulated. But the following code gives access denied error.Please
help.

<html>
<head>
<script>
function browseFile(){

document.form.browse .click();
document.form.filename.value=document.form.browse. value;
return true;
}
</script>
</head>
<body>
<form name="test_form" method="post" action="test.jsp">
<input type=file name=browse style="display: none;">
<input type=text name=filename>
<input type=button value="Select a File..." onClick="browseFile();">

<input type=submit value="Submit The Form Now!">
</form>
</body>
</html>

Thanks for help.

10-17-2006

hrpreet написав:
> Hi All,
>
> I need the file chooser in the jsp, just for brosing and saving the
> file path in the database, so i have used the following code.I dont
> need to read the file content. I have to make it hidden because in
> edit mode i need to show the field prepopulated with the file path,
> which doesnot happen with input type=file, it cant be shown
> prepopulated. But the following code gives access denied error.Please
> help.
>
> <html>
> <head>
> <script>
> function browseFile(){
>
> document.form.browse .click();
> document.form.filename.value=document.form.browse. value;
> return true;
> }
> </script>
> </head>
> <body>
> <form name="test_form" method="post" action="test.jsp">
> <input type=file name=browse style="display: none;">
> <input type=text name=filename>
> <input type=button value="Select a File..." onClick="browseFile();">
>
>
> <input type=submit value="Submit The Form Now!">
> </form>
> </body>
> </html>
>
> Thanks for help.

document.test_form.browse.click();
document.test_form.filename.value=document.test_fo rm.browse.value;

10-17-2006

hrpreet said the following on 10/16/2006 11:27 PM:
> Hi All,
>
> I need the file chooser in the jsp, just for brosing and saving the
> file path in the database, so i have used the following code.I dont
> need to read the file content. I have to make it hidden because in
> edit mode i need to show the field prepopulated with the file path,
> which doesnot happen with input type=file, it cant be shown
> prepopulated. But the following code gives access denied error.Please
> help.

You get that error message because you can't programatically set the
value of a file input element. It's a security violation.

--
Randy
Chance Favors The Prepared Mind
comp.lang.javascript FAQ - http://jibbering.com/faq & newsgroup weekly
Javascript Best Practices -

10-17-2006

Randy Webb <> wrote:

>You get that error message because you can't programatically set the
>value of a file input element. It's a security violation.

He's not trying to. He's retrieving the value of the <input
type="file"...> and assigning that to an <input type="text"...>
element.

Why he needs to do that, I don't understand. The "file" element
includes a text box that gets set to the name of the file selected. It
seems that would show the exact same thing that he's trying to show in
his "text" box.

--
Tim Slattery

10-19-2006

Hi All,

This is required since in case of updation need , i need to show the
file text box prepopulated, but this doesnot happen, not allowed.

Thanks

Tim Slattery wrote:
> Randy Webb <> wrote:
>
> >You get that error message because you can't programatically set the
> >value of a file input element. It's a security violation.
>
> He's not trying to. He's retrieving the value of the <input
> type="file"...> and assigning that to an <input type="text"...>
> element.
>
> Why he needs to do that, I don't understand. The "file" element
> includes a text box that gets set to the name of the file selected. It
> seems that would show the exact same thing that he's trying to show in
> his "text" box.
>
> --
> Tim Slattery
>

10-19-2006

hrpreet wrote on 19 okt 2006 in comp.lang.javascript:
> Tim Slattery wrote:
>> Randy Webb <> wrote:
>>
>> >You get that error message because you can't programatically set the
>> >value of a file input element. It's a security violation.
>>
>> He's not trying to. He's retrieving the value of the <input
>> type="file"...> and assigning that to an <input type="text"...>
>> element.
>>
>> Why he needs to do that, I don't understand. The "file" element
>> includes a text box that gets set to the name of the file selected. It
>> seems that would show the exact same thing that he's trying to show in
>> his "text" box.

[Please do not toppost on usenet]

> This is required since in case of updation need , i need to show the
> file text box prepopulated, but this doesnot happen, not allowed.

If you change "need" to "want" you are right.

However, security is about not always getting what you want.

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)

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