File Upload control with ScriptManager and Update Panel

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I am using a fileUpload Control and ScriptManager with Updatepannel in a Asp.Net web page but when I click upload button The file does not upload though the page run successfully. but if I remove ScriptManager And Updatepanel the file uploaded successfully. How can I use ScriptManager and UpdatePanel With File Upload Control in a asp.net web page?

Posted 12-May-12 22:14pm

Samiran Sarma

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Ganesan Senthilvel · Answer 1 · 2012-05-12T22:20:00

Solution 1

Solution is written in the blog http://blog.anofsinger.com/2007/10/file-upload-not-working-on-first.html[^]

Posted 12-May-12 22:20pm

Ganesan Senthilvel

Navin kishor prasad · Answer 2 · 2012-05-12T22:20:00

Solution 2

add the action events for updatepanel sync or async

Posted 12-May-12 22:20pm

Navin kishor prasad

Comments

Sandeep Mewara 13-May-12 4:37am

File upload does not work with async trigger. It's known thing. Adding that as an action would not help.

Sandeep Mewara · Answer 3 · 2012-05-12T22:41:00

It is a known thing that File Upload does not work async with Update Panel. You need to have a complete postback for it. So, either place your FileUpload outside UpdatePanel OR have a Postback Trigger defined for FileUpload control in Update Panel, example: Using FileUpload Control inside ASP.Net AJAX UpdatePanel Control[^]

In case you want upload to be async, Microsoft released a new control that can be used:
AjaxToolkit: AsyncFileUpload Demonstration[^]
AsyncFileUpload Control - New Control in Ajax Control ToolKit[^]