ASP.NET File Upload & Refresh Issue

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Hi I am facing a problem that i am coding for file upload control in asp.net
but after uploading on clicking button refresh page with F5 again upload that file on sql server.
How can i remove that issues

Posted 28-Dec-10 22:40pm

Manoj_0603514007

Updated 28-Dec-10 23:08pm

Venkatesh Mookkan

v3

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fjdiewornncalwe 29-Dec-10 16:32pm

Please remove your email address from your username. You can do so by selecting the "My Settings" link at the top right hand corner of the screen. Having the email address in your username is basically inviting spam into your life.

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Venkatesh Mookkan · Answer 1 · 2010-12-28T22:55:00

Solution 2

That is because "Refresh" in the browser would resubmit the previous request.

To solve this problem, just redirect to another page once the Upload is successful.

You can refer this Article for more info: Stop Refresh after Submitting your Request[^]

Posted 28-Dec-10 22:55pm

Venkatesh Mookkan

Updated 28-Dec-10 22:57pm

v2

Comments

thatraja 29-Dec-10 13:08pm

Good answer

Al-Farooque Shubho · Answer 2 · 2010-12-28T22:55:00

Solution 1

When you press F5 to refresh the page, the form is actually being submitted again. It's like pressing the submission button again.

You can't remove this issue, because, you are actually submitting the form again and uploading the file again is the expected behaviour here.

Posted 28-Dec-10 22:55pm

Al-Farooque Shubho

Leya Samuel · Answer 3 · 2010-12-29T00:01:00

Solution 4

Hi
Try out the solution as described in the following URL

http://csharpdotnetfreak.blogspot.com/2008/12/detect-browser-refresh-to-avoid-events.html[^]

Thanks

Posted 29-Dec-10 0:01am

Leya Samuel

Avachat Nikhil · Answer 4 · 2010-12-28T23:39:00

Solution 3

You can use one of following solutions to solve this problem
1. After Upload is sucessfull. Response.Redirect to same page.
2. Use Javascript to disable F5 and right click.(User can still refresh from toolbar/menubar)
3. Use hiddenfield to check whether request came from buttonclick or refresh button

Posted 28-Dec-10 23:39pm

Avachat Nikhil

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fjdiewornncalwe 29-Dec-10 16:33pm

None of these will solve his problem and are hack fixes. Sorry.

Member 11046921 20-Sep-14 7:09am

when i use dropdownlist bind then file upload control refresh how to solve this problem