AJAX :: AsyncFileUpload And Web User Control
Mar 16, 2011
I have an updatepanel to which I am adding a web user control dynamically. This web user control has an AsyncFileUpload. I have read several articles that tell that asyncfileupload control will not work if added at run-time. As suggested by some of the articles,I tried adding a static asyncfileupload control but still it does not work.I need to have 5 file upload controls in the web user control. Do you think I can make them to work or should I completely do a re-design or go with full postbacks. My preference is to be able to use asyncfileupload control and I am willing to invest time in making them to work since they improve the user experience by many folds.
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Similar Messages:
Feb 19, 2011
i am new to this ASP.NET and AJAX.I am trying to learn AJAX. I Have one doubt.what is the difference between normal file upload control and ajax AsyncFileUpload Control ..?
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Sep 24, 2010
AsyncFileUpload not working with IE9. only on capability mode
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Apr 13, 2010
I am using an AsyncFileUpload control in my asp.net page.This control in inside an update panel.Any post back(like some treeview loading,combo selection in which i needs postback) appear in that page makes the AsyncFileUpload control text area gets cleared.Is there any solution to retain the selected file name in the AsyncFileUpload control after the postback.
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Oct 25, 2012
How to add Progress bar which shows the percentage of upload...
[URL]
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Jun 7, 2010
I can't get my <ajax:asyncfileupload> working and I don't see why...
When outside any panel or table it is working well, but as soon as I put it in a <asp:panel> or table I get a strange error which seems to be on client-side but I don't understand what's happen here. Here is the code and code-behind and Javascript.
Here's the error:
[URL]
Here's my front-code:
[Code]....
Protected Sub fupAjoutLogo_UploadedComplete(ByVal sender As Object, ByVal e As AjaxControlToolkit.AsyncFileUploadEventArgs)
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Oct 22, 2010
I'm using AsyncFileUpload, when i upload a file all works fine, but when upload finish, i want to upload another file with the same control, but not work, always enter in the uploadError event, i dont know why. ¿What can i do for reset the control?
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May 20, 2010
Before I get started on this venture, does anyone know if there is someway to implement a progress bar with the AsyncFileUpload control?
And does anyone have any good links for how to start using the control? The website's "tutorial" page is about 2 lines long.
Why does it seem so hard to get a progress bar working? I don't want to download any 3rd party software or precompiled ProgressBar controls I just want to make one :(
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Jul 6, 2010
I'm using the AsyncFileUpload control inside my FormView (that is in a UserControl - .ascx file), and to "simulate" a server-side event I register a javascript script to do a click event of an hidden button (this is a trick discovered in this forum).
The click event is fired after the upload complete but... when the event is finished the AsyncFileUpload ontrol DISAPPEARS from the page and it is showen this instead:
"11294------image/pjpeg"
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Jul 13, 2010
I'm using the AsyncFileUpload control inside my FormView (that is in a UserControl - .ascx file), and to "simulate" a server-side event I register a javascript script to do a click event of an hidden button (this is a trick discovered in this forum). The click event is fired after the upload complete but... when the event is finished the AsyncFileUpload ontrol DISAPPEARS from the page and it is showen this instead:
"11294------image/pjpeg"
Very strange behavior... is there somethings to set to solve this problem?
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May 4, 2010
I have a requirement, where-in once a file is upoaded using the AsyncFileUpload control, I want the name of the uploaded file to be removed from the AsyncFileUpload control and it should show blank (as it was when the page was first loaded). Also, the control should allow uploading the same file immediately after the first upload is complete(assuming that the user deciedes to update the file after the first upload and wants to immediately upload the updated version of the file).
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Feb 19, 2010
i use a asyncfileupload control to upload files from my web pages. since i have a listview inside an update panel, and the listview needs to have the file upload functionality, i can not use a asp fileupload control.
the uploaded files are saved inside a temp folder in my application directory. i use a asp:button to upload files from the asyncfieupload control to my temp folder.
as long as i work on my local machine, the upload control inside the listview works perfectly fine, and does what is expected of it (i.e upload files :))
but when i move the code to my web server the asyncfileupload onthe page works just once, that is, it uploads just once (no matter whichever row of the listview it is) and for all other subsequent uploads, it uplaods a file of the same name to my temp folder but with 0KB size.
it beats me why asyncfileupload control would behave this way in the two environments.
could anyone suggest a possible reason/or something i m missing to configure on the server?
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Jul 26, 2010
so here is what i've got:
-master page with updatepanel - within the update panel is a contentplaceholder
-aspx page that uses the master page which contains aysncfileupload,a button,an image,and a label
what i'm trying to accomplish:
when a user uploads a file using the asyncfileupload it gets saved to a public folder.-this works as it should when the user presses the button the file is processed and should display the image and label (which were previously not visible)-this does not what happens is that the file gets processed but the image and label stay hidden,and i cannot figure out why.here's the aspx page and code snippets:
[Code]...
the file gets uploaded,and it even hits the two lines which should make the label and image visible but they stay hidden.i know that if you try to change controls with the afuExcelUsers_UploadedComplete event,they will not happen since the asyncfileupload only does a partial postback. this is why that event (afuExcelUsers_UploadedComplete) only saves the file on the server.then pressing the button triggers a different event and should do a "postback" and have control over the label and images visibility and other properties.
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May 7, 2013
I have downloaded your asynchronous file upload source code it will work only in below IE8 and chrome.. but IE9 and FF will not work... I am using VS2010...
If I click the select button it won't come popup...
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Jun 16, 2015
I install the ajaxtoolkit and add reference of it to toolbox i get various element of ajaxtoolkit but there is no available asyncfileupload control.
Why it is not shown in toolbox even i install ajaxtoolkit. in .net framework 2.0 using visual studio 2005...
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Jan 31, 2010
i am using AsyncFileUpload1 control
<asp:UpdatePanel ID="upSummerization" runat="server">
<ContentTemplate>
<div id="divFileUpload" runat="server">
<asp:Label ID="lblAttachDoc" Text="AttachDocument" runat="server"></asp:Label>
<cc1:AsyncFileUpload ID="AsyncFileUpload1" runat="server" />
</div>
i want to read bytes from uploaded document usning this control but i am get bytes length 0
Dim bytes As Byte() = New Byte() {}
Dim fs As Stream = Me.AsyncFileUpload1.FileContent
Dim br As New BinaryReader(fs)
bytes = br.ReadBytes(fs.Length)
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Jan 21, 2011
Is it actually possible to change the button text on the AsyncFileUpload control from "Browse" or "Select File" to something else without having to modify the control's source code? it seems I have to apply all sorts of hacks and workarounds for such a simple requirement. I fail to understand the authors of this brilliant control haven't thought about this (or is it too complicated for them to do it). and also Is it possible to have two buttons one for selecting the file and one for uploading?. because it is confusing if the user thinks if he is simply selecting the file where as it does the upload as well. at least if I can change the caption to "browse and upload" that makes it clear. I think these two functions are merged now without giving any ability for the user to separate them if he wishes to do so. if there is a simple workaround at least if there is no straight forward way to achieve this.
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May 26, 2010
in my current project I used a AsyncFileUpload control from AJAX Control Toolkits. After I got the async file upload part working, I needed to filter the file type so users can only upload image files. I found the following code off web and it worked well:
[Code]....
The problem is : I don't understand this javascript. What is the type of args parameter? Where are the methods such as "get_fileName()", "set_cancel()" defined? I went to the homepage of the
AsyncFileUpload control but couldn't find any documentation regarding the "args".
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May 9, 2010
i want to upload images,documents in my application tempfloder using AsyncFileUpload control of ajax
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May 7, 2015
Can we Use ajax asynchronous file upload in asp Gridview
as template feilds
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Dec 13, 2010
am trying to use the AsyncFileUpload control in ajax toolkit to upload a picture file, save the file on a location on the server's filesystem and display the picture file back to the client system. I have both the image and AsyncFileUpload controls inside an updatepanel but its seems the UploadedComplete server code is not firing when the file upload completes any clue?
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Jan 24, 2011
I am having a strange issue associated with AsyncFileUpload control. after the upload, I am updating the page by calling__doPostBack function from ClientUploadComplete event handler. it works fine first time, but next time I try to upload the file, it refreshes the page first before uploading, then does the upload and refreshes the page again. not sure why refresh page is being called twice once before the upload and once after the upload. I have a simplified version of this code which has this bug.
[Code]....
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Jun 30, 2012
I used this code to uploading image and insert it to database
string path = Server.MapPath(".") + "../Upload";
string[] validext = { ".jpg", ".gif", ".png", ".rar" };
string ext =
System.IO.Path.GetExtension(AsyncFileUpload1.PostedFile.FileName);
if (Array.IndexOf(validext, ext.ToLower()) < 0)
[Code] ....
My problem is that it didn't insert image name in database it save some unknown Characters in database. So when I want bind my image from database it didn't show image .
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May 27, 2010
I recently came across the AsyncFileUpload control in the latest (3.0.40412) release of the ASP.Net Ajax Control Toolkit. There appears to be an issue when using it in a hidden control that is later revealed, such as a tag with
[Code]....
Server-side Code -
[Code]....
I have a breakpoint on the UploadedComplete event but it never fires. However, if you take the AsyncFileUpload control out of the , making it visible at initial page render, the control works as expected.
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Jan 23, 2011
My problem is Asyncfileupload control is working fine when i debug the application and upload large file...but when i run this from iis it only upload file less then 5 kb. why is that so?? i did try adding Httpruntime maxRequestLength="4096" i tried to find on search but no help... did m i mising any settings..??
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