File Upload in UpdatePanel, ASP.NET AJAX

UDPATE: October 2, 2009

There is a better way of doing it with Ajax Control Toolkit version 3.0.30930 which works with .NET 3.5 SP1 and Visual Studio 2008 SP1.  Please read this post for a step by step instruction

One of the common queries I get across my sessions is that, the File Upload control doesnt work inside an Update panel.  All of us would like to implement a Gmail File Upload kind of interface and when you try to implement a similar thing using UpdatePanel (which works like a charm for other activities), it simply doesn't work.

The behaviour is expected.  The File Upload Control doesnt work inside an Update Panel due to security reasons and restrictions a browser implies.  They dont allow Javascript files to directly access the files in an user's sytem and dont allow to modify or access the details of a file when working with the File Upload Control.

There are a couple of ways to solve this issue, one using Update Panel and Post Back Triggers and the other using Iframes.

1. Use Update Panel, File Upload Control and use a PostBackTrigger Control to force a postback only for the File Upload Control

This approach works well without much tweaking except for that, there would be a postback only for the File Upload Control.  While the rest of the stuff happens asynchronously, using the UpdatePanel, when the user presses the "Upload" Button, the page will be refreshed.  Let us examine how we can accomplish this.  Place the following code within the <form> </form> tags in your ASP.NET Page.  

<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>

<asp:UpdatePanel ID="UpdatePanel1" runat="server">

<ContentTemplate>

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

 <br />

<asp:Button ID="Button1" runat="server" Height="20px" onclick="Button1_Click" Text="Submit" Width="128px" />

<br />

<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>

<br />

<asp:FileUpload ID="FileUpload1" runat="server" />

<br />

<asp:Button ID="Button2" runat="server" Height="25px" onclick="Button2_Click" Text="Upload" Width="128px" />

<br />

<asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>

<br />

</ContentTemplate>

<Triggers>

<asp:PostBackTrigger ControlID="Button2" />

</Triggers>

</asp:UpdatePanel>

In the Code behind, add the following lines of code:-

 

protected void Button1_Click(object sender, EventArgs e)

{

Label1.Text = TextBox1.Text;

}

protected void Button2_Click(object sender, EventArgs e)

{

FileUpload1.PostedFile.SaveAs(@"C:\test\"+System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName));

Label2.Text = FileUpload1.PostedFile.FileName;

}

If you run the above sample, you would notice that upon entering something in the TextBox and clicking "Submit" (Button1) the Label above the File Upload Content, shows the Text you typed, without a page refresh.

However, when you select a file and click on the "Upload" (Button2) Button, you would notice that a postback happens and the file gets posted to the "C:\Test\" folder and also the full path is specified in the Label 2.

In the above code, I have not taken any steps regarding validation, checking if file exists etc., since it just shows how you could accomplish File Upload within Update panel.  In normal cases, you would write better code to accomplish a file upload feature.

2. Use Iframes and accomplish a truly Gmail Like File Upload Interface.

I thought of writing a post on this, but did a quick research and found that there are a few solutions posted by our MVPs / Community Folks and just thought of providing a link to the same.

http://vinayakshrestha.wordpress.com/2007/03/13/uploading-files-using-aspnet-ajax-extensions/

http://msmvps.com/blogs/luisabreu/archive/2006/12/14/uploading-files-without-a-full-postback.aspx

Note that this post doesnt claim any warranty / support for the above articles, though.

Cheers !!!

 

Print | posted on Tuesday, April 1, 2008 11:03 PM

Comments on this post

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I think you are doing a tremendous job...ur helping the new programming generation excel and speed up. Your writing style is simple ( without bulky words for which reader has to refer to dictionary). You are one of the finest in this field. Cheers!!!
Left by Asim Suvedi on Apr 26, 2008 10:46 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Great job u've done.
Thanks for ur kindly help
Left by XeronLiu on May 03, 2008 8:54 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I still have a question, i am using the devexpress gridview and in the edit form, i used the update panel to insert the fileupload control a similar example in this page

http://demos.devexpress.com/Tutorials/Grid/Editing/EditFormUploadFile/EditFormUploadFile.aspx

the problem is that when i try to access the fileupload control in the code behind it says it doesnt exist, why?
Left by Maynor on May 15, 2008 9:45 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for the post, I was having more issues where the first upload wouldn't work but the second would, after looking around some more I found this post, I had my uplaod control inside a panel that was visible=false on load, then displayed if the user wanted to upload, this link explains whats up and a solution. Thanks again.
http://marss.co.ua/FileUploadAndUpdatePanel.aspx
Left by matt ridley on May 21, 2008 7:51 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Hi i have Problem that FileUpload1.PostedFile Showing null i.e. FileUpload1.PostedFile.FileName object not set to refference Help me asap

surendersardana@gmail.com
Left by Surender on Jun 06, 2008 7:03 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Surender,

Please check that your form element has enctype="multipart/form-data" attribute.
Left by Gregory on Jun 18, 2008 8:54 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for your valuable help.
Left by Narendra Kumar on Jun 23, 2008 11:36 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Great! Thanks Gregory.
Left by Aruna on Jul 16, 2008 2:54 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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it is a great great artice and i really appreciate your effort for this.
Left by shailesh on Jul 31, 2008 10:08 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for your help...
Left by Mortaza Doulaty on Sep 04, 2008 11:44 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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thanks for everyones help with this
Left by Download games on Sep 08, 2008 11:37 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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What can I say other than "Thank you it was a perfect solution!"
Left by Jeremy Libertor on Sep 24, 2008 2:24 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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just go through the following thread.
http://www.muraton.net/post/2008/01/FileUpload-
and-Ajax-UpdatePanel.aspx

it may help

cheers
Vikash yadav
Left by Vikash yadav on Dec 02, 2008 3:48 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Absolutely spot on. With the above mentioned change to the form control, the perfect solution. Thanks!
Left by Graham on Dec 02, 2008 9:32 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Hi, this is a great article.
However, I've got some problems which I can't really solve..

Here's my structure of my files:
1. MasterPage (*.master)
2. -- ChildPage (*.aspx)
3. -- CustomControl (*.ascx)

My "Uploadfile" control is in the CustomControl.ascx page.

My master page holds the frames for my site.
So the childPage is in one of the table cells within it, with a ContentPlaceHolder.

How do I implement your FileUpload control within my customControl.ascx page?
How do I call the button.click to refresh the main page hosting the iframe?

Thanks!
Left by Dennis Wong on Dec 11, 2008 5:49 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thankx... Its working...Damn good...
'm keen to know the details "why FileUpload is making problem with UpdatePanel?"
Left by Ratul on Dec 14, 2008 1:31 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Our company use the ajaxuploader and now this problem has gone. cheers.
Left by Jack on Jan 07, 2009 11:21 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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How do I specify the upload control if it is in a TabContainer? I would get this error A control with ID 'btnUpload' could not be found for the trigger in UpdatePanel 'UpdatePanel1'. Thanks in advance.
Left by Hn on Jan 09, 2009 1:55 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for the post, I was having more issues where the first upload wouldn't work but the second would, after looking around some more I found this post, I had my uplaod control inside a panel that was visible=false on load, then displayed if the user wanted to upload, this link explains whats up and a solution. Thanks again..
Çeviri dil hizmetleri ingilizce rusça çeviri
Left by çeviri on Jan 09, 2009 8:27 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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That is so good,

Thanks,

Savada
Left by Savada Sin on Jan 10, 2009 2:44 PM

# FileUpload.FileName Property displays blank

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I have used fileupload control in update panel but after select a file when i am clicking on asp button at that time FileUpload.FileName properties are displayed blank other side i have selected file throgh fileupload control
Left by Anit B Patel on Feb 20, 2009 1:05 PM

# File Upload in DevExpress first time file not found

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i am using the devexpress gridview and in the edit form
the problem is that when i try to access the fileupload control in the code behind it says it doesnt exist first time , why?
Left by nikhil on Mar 04, 2009 5:28 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I am using asp.net 2.0 Fileupload control in Updatepanel

i want to store the filename into database ,but it is showing sometimes object reference not set to an instance of an object ,

I want to store the filename into database?
Left by Pawankoti on Mar 06, 2009 9:34 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I had my uplaod control inside a panel that was visible=false on load, then displayed if the user wanted to upload, this link explains whats up and a solution.
Left by dll on Mar 14, 2009 8:08 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thank you so much! this worked for me, although my file upload was inside a TabPanel so I had to write the entire path for the control.

http://forums.asp.net/p/1119192/1759621.aspx
Left by Jessica on Mar 16, 2009 11:50 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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i am not able to save my file when i click my button for the first time. but from second click onwards the file is being saved.
Left by Vani on Mar 20, 2009 11:10 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I am using dotnetnuke module development framework where
Here's my structure of my files:

1. -- MainPage (*.aspx)
2. -- CustomControl (*.ascx)

My "Uploadfile" control is in the CustomControl.ascx page.

CustomControl Page has ContentPlaceHolder.

How do I implement our FileUpload control within my customControl.ascx page?
How do I call the button.click to refresh the mainpage? Any work around thought is welcome.. Please urgent project deadline is on the head.. the MainPage.aspx is not under our full control it is generated dnn(dotnetnuke framework--setting.ascx page in the dnn module for further refernce)
Left by Uday Kumar Lazurus on Apr 08, 2009 9:20 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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What the meaning if we use postback Trigger the whole page is postback to server so whats the benefit i think this is worst case we have to use javascript
Left by Nayan on Apr 16, 2009 4:33 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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thanks it was gr8 help
Left by vandna on May 19, 2009 2:19 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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this was a great help thank you so much, from Philippines
Left by Paul on May 28, 2009 8:29 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Hello again i have a problem at first try it was not able to upload the file but in the succeeding attempt it was ok, i don't know what the problem is can you please help me?
Left by Paul on May 28, 2009 9:01 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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This is a wonderful article. It helped me get through my issues pretty quick. Once again thanks for your support.
Left by Siva on Jul 23, 2009 10:51 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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It is very nice... I also need to show the update progress within this.. but when i do that the content in the updateprogress is not showing..
Left by suresh on Jul 29, 2009 1:46 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for this. It really help & Good. :-)
Left by Munish Singla on Jul 31, 2009 11:37 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thx man ;) You saved my time ;)
Left by Icebob on Aug 04, 2009 2:13 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thank you very much...
Left by Heba on Aug 06, 2009 8:55 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks Dear, After finding lot of website.. finaly i got your code.. I used that code... It is working fine..
thanks a lot

Kamal
Left by Kamal on Aug 07, 2009 7:21 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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This has just saved my a huige amount of time!
Left by Utility Warehouse on Aug 12, 2009 2:39 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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very nice !
thank u
Left by mohammed on Aug 14, 2009 8:07 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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aad adadadadadad adad
Left by dadadada ad on Aug 26, 2009 2:33 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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tanx my dear!
Left by jalal on Sep 01, 2009 7:17 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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hi,

For me the situation is different from the above.
like i want to upload the file only on click of save along with the other controls.
In this case can i write triggers for my save button? the click of save button im inserting all other page control values in to database.

Please suggest me.

Thanks in advance
Pavana
Left by pavana on Sep 02, 2009 4:01 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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UpdatePanel trigger is not necessary. Remove that and change:
<asp:Button ID="Button2" runat="server" Height="25px" onclick="Button2_Click" Text="Upload" Width="128px" />
to this
<asp:Button ID="Button2" runat="server" Height="25px" PostBackUrl="#" Text="Upload" Width="128px" />
Left by rjobradley on Sep 03, 2009 2:25 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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thanks a lot..it helped me
Left by pawan on Sep 04, 2009 1:00 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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hello,the "fileupload.hasfile" it only works on the 2nd try, it appens to anyone else ?
thanks.
Left by dionisio on Sep 15, 2009 10:44 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks a lot, it was very gratefull...
I have another issue maybe anyone can help me.
It is the same case it was described but after you choose a file (gif) , that .gif appears in an Image Object.
As far as i was able to see, it is an input type="file" and on the onChange="" event, calls a JS function that does the rest. But I could find how to do it..(load de image when you close de Dialog window without pressing any Server Button...
Thaks a lot to everyone
Left by Diego on Sep 22, 2009 1:16 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for share!!!
Left by Ray on Sep 23, 2009 9:07 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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thanks, it helped a lot to me. i was thinking it is not possible but your article helped me a lot.
simply you described difficult thing.

SUPERB....
keep it up.
cheers
Left by Pankaj Baranwal on Sep 29, 2009 11:39 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I posted a solution without the postback trigger on my blog:
http://www.dailycode.net/blog/post/asp-fileupload-in-ajax-update-panel.aspx
Left by Mark on Oct 23, 2009 1:27 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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NEed an example with a gridview.
mathieu_cupryk@hotmail.com
Left by MAthieu on Oct 28, 2009 12:55 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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No need to do the postback for the file upload control.

put the
Page.Form.Attributes.Add("enctype", "multipart/form-data");

and it is will work fine with update panel.
Left by Jalpesh on Nov 05, 2009 3:51 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for share!!! Just let you know the following product also works in update panel and it is very stable.

http://ajaxuploader.com
Left by Haissam Abdul Malak on Dec 07, 2009 8:56 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Your one Idea has changed My Page style.. :)
Thanks a lot for your timely help.. Nice Article Dear
Left by Shreedhar on Dec 17, 2009 7:16 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Great job u've done.
Thanks for ur kindly help
Left by baban on Dec 31, 2009 11:38 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Sorry i tried with the 1st option bt its not working properly in my application. SO could you please helpmein detail ?
Left by Maddy on Jan 07, 2010 10:37 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for the tip about PostBackTriggers!
Left by Rasika W. on Jan 11, 2010 5:30 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks a lot. I've searched for a solution to using asp:fileupload in updatepanel. Most of my findings were placed the fileupload control outside of updatepanel.
I really liked your very simple solution. Adding the postbacktrigger did the trick!
Left by Henriette on Jan 27, 2010 7:43 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Very nice way explaination...U r generous in explaining other dependencies too.
Left by Afzal on Jan 30, 2010 6:56 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Very helpful writing!
Keep the same...

learn what U need... share what U know...!!!
Left by Rishi Karott on Jan 31, 2010 1:27 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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hi
i am extremly thank ful to you for publishing such a good article . and thanks to all who express their view in forum. those views help me in sorting out my problem.
but still i am facing one problem:
when i am using httpfilecollection with file upload to upload multiple files at one shot(within update panel) that time the adding only enctype="multipart/form-data" is not doing things to me. i a have to include postbacktrigger with button control id. is their any way besides this. thanks in advance
Left by mohit on Feb 05, 2010 5:57 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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But how do you do the same with the master page? UpdatePanel and ContentTemplate are in my master page and FileUpload and save button are in content page.
Left by Abhilash Thomas on Feb 10, 2010 8:14 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for the reference this is exactly what I need for my project
Left by Kenneth on Feb 12, 2010 1:57 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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thanks for everyones help with this..
Left by çiçekçi on Feb 23, 2010 7:50 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Very nice way explaination..Interesting for me,thanks.
Left by free recipes on Feb 24, 2010 12:17 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Great job u've done.
Thanks for ur kindly help...
Left by çiçekçi on Mar 01, 2010 6:06 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Very nice way explaination..Interesting for me,thanks.
Left by tatil otelleri on Mar 06, 2010 2:08 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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tengo problemas al realizar la carpa en el primer intento pero al subir el archivo por segunda vez no da problemas, alguien tuvo este inconveniente y lo pudo solucionar???

Gracias..
Left by Perez on Mar 08, 2010 5:40 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Nice... Thank you!
Left by Miguel on Mar 24, 2010 12:17 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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You are the guy.

Simply the best.

Thanks.
Left by Bruno Marçal on Mar 24, 2010 12:09 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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you are the best given a great solution!!!!!!!
Left by poorni on Mar 26, 2010 12:22 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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All credit to you. Great Example.

Just to let others know, this will not work with a LinkButton only an actual Button control!
Left by Kevin Dark on Mar 26, 2010 3:18 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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you are the best given a great solution!!!!!!!
Left by şampiyonlar ligi on Apr 01, 2010 12:49 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Nice post. It will be a great help and this source code really helps me. thanks!
Left by Sr Smith on May 03, 2010 6:19 PM

# Mrs

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I believe this will work well for us.
Left by Bed Bed In A Bag on May 10, 2010 10:32 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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it is a great great artice and i really appreciate your effort for this.
Left by raj on May 11, 2010 4:46 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks a lot. Good Job
Left by Davood on May 12, 2010 1:36 PM

# # re: File Upload in UpdatePanel, ASP.NET AJAX

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Thanks for posting! now all my questions are answered..Try using point of sale software and see how it can make your business effective.
Left by alysia1984 on May 16, 2010 8:55 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Saved me soo much time, many thanks for this.
Left by Utility Warehouse on May 18, 2010 5:09 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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THANKS :)
Really nice & simple....
I searched many sites and they were just going out of their way.....

Thanks,
Mohit
Left by Mohit on May 21, 2010 12:18 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I stumbled upon a great number of fascinating equipment of your weblog mainly it is theme. In the quite a few commentary from the writing, I assume We are only some of the single acquiring the entertainment here!
Left by Нарды on May 29, 2010 9:19 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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I ran across lots of insightful software ınside your weblog particularly their phone call. Within the a ton of comment forms of your posts, Individual Quite possibly not the only one getting all the amusement right here! cultivate favorable succeed
Left by best Acne Scar Treatment on May 29, 2010 9:19 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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thanks alots great :)
Left by kazim on May 31, 2010 11:15 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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after looking around some more I found this post, great share.
alan watts book | facebook sex
Left by alan watts books on Jun 06, 2010 1:43 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Very nice job.
Why not to write next article?
Left by Backgammon on Jul 14, 2010 4:01 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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hi,
I am using uplaodfile control returns always false.
I am using master page and defult.aspx.i am using uplaodfile control in default.aspx.

Uploadfile control always return false

Please let me know where i am doing wrong.

Thanks and Regards,

Venkat

Left by Venkat on Aug 06, 2010 12:18 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Hi,

I got the solution.. I need to code below

if (ScriptManager.GetCurrent(Page) != null)
ScriptManager.GetCurrent(Page).RegisterPostBackControl(ButtonUpload);

Thanks and Regards,

Venkat
Left by Venkat on Aug 06, 2010 2:26 PM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Thank you for your post. Very Glad that you shared this to us. It's some pretty great info. Valuable information I found, keep on posting.
Left by shyelauto on Aug 10, 2010 8:39 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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Good post. It's some pretty great info. I want to thank you for this informative read, I really appreciate your sharing post.
Left by fanindywebdesign on Aug 10, 2010 10:27 PM

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that's why i like geekswithblog because it's like me attending my classes! LOL
Left by motivational tools on Aug 12, 2010 3:20 AM

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thanks a lot..it helped me. Made my work simple
Left by Ganesh on Aug 12, 2010 6:55 PM

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Thanks a lot. It will work for me.
Left by Best Toenail Fungus Treatment on Sep 01, 2010 12:08 AM

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this is not a nice website
Left by mohit on Sep 11, 2010 11:16 AM

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Couldn’t be written any better.
Left by ipod nano 8gb on Sep 14, 2010 11:45 PM

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Excellent post. I like this post for its importance. So this site has been added to my RSS feed for later browsing.
Left by Sarasota County Property Apprais on Oct 08, 2010 10:58 AM

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Cheers :)
Left by park city vacation rental on Oct 08, 2010 11:36 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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i have a problem i m using a user control in which ajax file uploader exist my problem is that when i m using this user control on a aspx page it's not working because of update panel on that aspx page how to use it
u showed a Trigger method but how to use it with user control or i have to use it on aspx page
give me a proper solution
thanks in advance...
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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the problem i'm facing when i upload file with these above control i can't get postedfile at the first fime second time when i upload file again then i get postedfile.... can u help me how to resolve it???????
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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File Upload control doesnt work inside an Update panel? I just experienced this kind of problem. By the way thank you for this post. I have searching an answer for this problem and then I found this article.
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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Post Back Triggers and the other using Iframes.
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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Works great, but. Ive tried this using a ajax loading icon inside updateProgress, tho the icon wont show becouse of the <trigger>. If i remove the <trigger> i get the error:

Error: Sys.WebForms.PageRequestManagerServerErrorException: Could not find a part of the path C: \. The fileUpload wont seem to find the specific file.. Anyone have a solution to this?
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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It seems they dont allow Javascript files to directly access the files in an user's sytem and dont allow to modify or access the details of a file when working with the File Upload Control.
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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I think they dont allow Javascript files to directly access the files in an user's sytem and dont allow to modify or access the details of a file when working with the File Upload Control.
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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The File Upload Control doesnt work inside an Update Panel due to security reasons and restrictions a browser implies.
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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I also need to show the update progress within this.. but when i do that the content in the updateprogress is not showing..
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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I have addMerchant.aspx page on that page i have two popups one for filling info and another for showing required field validator. on this page i call one user control.
and i have file uploader control in that user controler. now i want to save image but i got help of triggers.
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so can any one help me for any other way to save image into database without any post back...
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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Still having problems implementing this, what else do you suggest? Is there a 'modern' day equivalent?
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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i am using File upload control in update panel, it is not showing the selected file path in the text box.and also button is not firing to openFile dialog box..please advise me..what can i do
Left by Charitha on Apr 17, 2013 11:58 AM

# re: File Upload in UpdatePanel, ASP.NET AJAX

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"i am using File upload control in update panel, it is not showing the selected file path in the text box.and also button is not firing to openFile dialog box..please advise me..what can i do "
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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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# re: File Upload in UpdatePanel, ASP.NET AJAX

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