473,836 Members | 1,429 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

using RegisterOnSubmi tStatement prevent submit button handler firing

APA
Why does adding code to the form submit function using the RegisterOnSubmi tStatement method prevent the server side event handler for the submit
button from firing? This is completely useless. I need some custom javascript validation on form submit but why does is kill the submit button event
handler? Submit buttons don't use __doPostBack so what is being effected?
Apr 12 '07 #1
2 2857
The client script executed by the submission of the form must return true in
order to allow the form to submit. This enables the client-side script to
prevent the submission of the form conditionally.

--
HTH,

Kevin Spencer
Microsoft MVP

Printing Components, Email Components,
FTP Client Classes, Enhanced Data Controls, much more.
DSI PrintManager, Miradyne Component Libraries:
http://www.miradyne.net

"APA" <bu******@hotma il.comwrote in message
news:ug******** ******@TK2MSFTN GP02.phx.gbl...
Why does adding code to the form submit function using the
RegisterOnSubmi tStatement method prevent the server side event handler for
the submit button from firing? This is completely useless. I need some
custom javascript validation on form submit but why does is kill the
submit button event handler? Submit buttons don't use __doPostBack so
what is being effected?

Apr 12 '07 #2
APA
The problem is when it does return true. When the form does submit it doesn't fire the submit button eventhandler.

Kevin Spencer wrote:
The client script executed by the submission of the form must return true in
order to allow the form to submit. This enables the client-side script to
prevent the submission of the form conditionally.
Apr 12 '07 #3

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

13
1769
by: John Kiernan | last post by:
Hey JavaScript gurus... I'm going to try this again. I haven't gotten as much help as I have advice on style<grin>. I appreciate (having programmed in other languages for quite a while) that everyone has their own opinion on HOW things should be done. However, if it does not comes AFTER helping me figure out my problem, please... (fill in your own polite way to say 'save the bandwidth'). I have code in a MouseUp of my save button...
1
11173
by: Stan | last post by:
If a page has a button with event handler private void btnAdd_Click(object sender, System.EventArgs e) { ....... } this event handler fires every time I refresh the page in the browser with F5 AFTER the button was clicked.
5
2511
by: Steve S | last post by:
Heres what I want to do...User types into a texbox, clicks a button, the button saves that text to a file. The problem is that when I click the submit button, any changes made to the textbox are lost, and it reloads what was previously there. Any ideas? try {
2
2417
by: Stephen Miller | last post by:
Can the CustomValidator be used to simply report unexpected errors, without requiring Client/Server validation? To explain, say you had a simple text box and button that did a Full-text Search of a Catalogue in SQL. Malformed search requests can generate a variety of errors, which I simply want to catch, set the CustomValidator's IsValid method to false and assign the ErrorMessage to the CustomValidator's Message property. For example: ...
0
3726
by: Chris Fink | last post by:
My goal is to have an ASP.NET checkbox server tag with it's autopostback set to true, that when clicked will run the checkbox's CheckedChanged event. However, I would like to try to add a javascript confirm popup to this checkbox server control to prevent this event from firing if the cancel button is checked in the js confirm window. In the example below, I am able to accomplish this using the input type=checkbox but without the...
8
5381
by: Pazza | last post by:
Hi, Is there a way to cause the form submit button click event handler to fire when posting to a aspx page using httpwebrequest. In my tests the load event fires but not by button click event. I am hoping to use this technique for a screen scraper but if I can't get the submit buttons click event handler to fire its no use. Thanks,
15
4785
by: Nathan | last post by:
I have an aspx page with a data grid, some textboxes, and an update button. This page also has one html input element with type=file (not inside the data grid and runat=server). The update button will verify the information that has been entered and updates the data base if the data is correct. Update will throw an exception if the data is not validate based on some given rules. I also have a custom error handling page to show the...
1
4776
by: APA | last post by:
Well, I've figured out a way around this mess. I have no idea why it doesn't work the way I think it should but I do know how to get it to work. The scenario is that I have a form that has one submit button on it. I want a client side validation function to run before submit. I have a server side event handler on the button that executes the necessary server side code. Sounds simple. Well, the problem is that once you put client side...
5
1687
by: raylopez99 | last post by:
I have a form, Form6, that has a bunch of buttons overlaid on it. I want to be able to click on any arbitrary area of the form, and if that area of the form is overlaid by a button, I want to change the color of the button to Coral, and show a MessageBox with the button name. So far, I've tried the below event handlers, and the only one that has worked is of course the named button event click, for a particular named button (button3...
0
9671
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it. First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
0
10854
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed. This is as boiled down as I can make it. Here is my compilation command: g++-12 -std=c++20 -Wnarrowing bit_field.cpp Here is the code in...
1
10600
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
0
10257
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
0
9387
agi2029
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own.... Now, this would greatly impact the work of software developers. The idea...
1
7794
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules. He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms. Adolph will...
0
6981
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert into image. Globals.ThisAddIn.Application.ActiveDocument.Select();...
0
5829
by: adsilva | last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
3
3116
bsmnconsultancy
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.