Javascript Code Relate To AsyncFileUpload Control?
May 26, 2010
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:
function uploadStarted(sender, args) {
var filename = args.get_fileName();
var filext = filename.substring(filename.lastIndexOf(".") + 1);
if (filext == "jpg" || filext == "jpeg" || filext == "gif" || filext == "bmp")
[code]...
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".
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).
I am using the AsyncFileUpload control in AJAX. This code that I use works fine. What it does it to replace an existing .JPG file that was choosen from the users computer.The thing that I wonder now is that when the .JPG picture was replaced I am using this code to show the uploaded picture in an ImageControl
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 ..?
I have an asyncfileupload control within a panel control. The panel is initially set to visible=false on page load. After a user clicks a button to display the panel contents however, I set the panel to visible and the user can then use the asyncfileupload. The problem however, is it seems much of the javascript associated with the asyncfileupload, does not function properly when the panel containing the upload control is set from invisible to visible. If I set my panel's "visible" property to "true" initially, then it works fine. My javascript error message is as follows:
"Form contains a file input, but is missing method=POST and enctype=multipart/form-data on the form. The file will not be sent."
Basically within my asyncfileupload control, I have the following line:
[Code]....
In this scenario, my "args" variable is always null (when I set my pane's "visible" property to "true" on page load, the args variable DOES contain data. Any idea why switching a panel from visible=false to visible=true, would cause an error like this?
i m Uploading File using  Ajax AsyncFileUpload control.. after successful upload i am trying to display success message through Label and Also through Alert but its not working..below is i used code
I am creating a custom control and was wondering if it is possible to render any JavaScript in the head tags of the page it is placed on? I am thinking I would need to use the FindControl method, but am not sure what I need to bind to. I am thinking the page object? Let me know if I am thinking in the right direction or if there is another option.
My only concern with the above mentioned idea is that how do I render all my content while placing some code in the head tags?
I am working on a feature to throw a warning message if the user has unsaved values in a form. I can see that in the next post there is a explanation about how to do that [URL]now the problem is that i need to do the same but using a ascx control and i don't know where put the next code in my ascx control.
<body onunload="checkSave()">
NB: I'm working on dnn so that i don't have any change to add this code in the parent page of the control.
I would like to know how to relate my shared class to my web User controls?? For example say I add a new class my project to run a game. How do I get infomation I need from my web controls to be used in my class.Say my user select easy for the difficult mode on a radio control. I want the class to be able to see that the user control has been set to easy or have the class modify values for my web controls
I have 2 deopdown lists , for example the first one contain : Israel , USA , CANADA. i would the second one to contain , cityes of those countries , for exampe if some user choose USA, the second drop downlist become
I'm building this small control. It should detect client resolution and set height and width values within two separated HtmlInputHidden controls. But tester property is not getting values froms this control.
[ToolboxData("<{0}:UIControlResolution runat=server></{0}:UIControlResolution>")] public class UIControlResolution : Control { HtmlInputHidden _txtwidth = new HtmlInputHidden(); HtmlInputHidden _txtheight = new HtmlInputHidden();
Regarding the AsyncFileUpload control in .net, the control will execute the file upload once i select a file. In my concern is, is it possible to disable the upload once i select a file so that i could process the upload asynchronously with a submit button
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.
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.
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)
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?
