Prevent Bubbling Without Jquery?
Mar 17, 2010
When I move mouse over the container panel, the child panel is displayed but as soon as i move mouse over the child panel, the mouseout event is triggered and panel get hidden.
This is simplified version of my code because panels are located inside gridview and therefore i can't use document.getElementById("panelchild") as it is (the js will get the specific id latter), but for now i want to make it work for this simple case.
This is the partial script:
<script type="text/javascript">
function ShowPanel(e) {
// e = e || window.event;
// var evtSrc = e.target || e.srcElement;
[Code]....
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Apr 6, 2010
For test purposes I have created a simple button control that extends CompositeControl. I am able to place it on the page with a <asp:Content... and the Click event Bubbles without problem from the Control.
Now, here is the problem I am facing Due to design requirement I need to read the assembly and the classname from a table and dynamically create the control and add it to the <asp:Content. And when I do that the click event will not fire! Where am I going wrong.
Here is the code in the ButtonControl.cs
namespace Reports.Web.ServerControls {
[DefaultProperty("Text")]
[ToolboxData("<{0}:ButtonControl runat=server></{0}:ButtonControl>")]
public class ButtonControl : CompositeControl {
protected override void CreateChildControls() {
Button btn = new Button();
[Code]....
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Feb 8, 2011
In dropdown when i select value(not text) "0" it should not go for postback,
to do this i am using e.preventDefault();
if i select other than "0" it has to go postback.
but,it is always going for postback ,the e.preventDefault(); is not working.
How can i achieve this in jquery?
return false; is also not working.
i am sure that i am selecting the value "0", i checked it by using alert();
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Apr 1, 2011
I use a jQuery script to load data for my website with a asmx file (json webservice). How can I make sure that the webservice only serves data to my script and is not accessible outsite my website?
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Dec 8, 2010
Page:
[code]....
This code opens me a dialog box with Ok and Cancel button but it do not wait for user activity and post the page immediately and the label gets populated. I need to call the c# function based on user activity. If user clicks "Ok" label should get populated and if user clicks "Cancel" it should not call the c# function. How do I achieve this?
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Jul 21, 2010
I want to show a confirm dialog when the user selects an item in a DropDownList. If the user presses "Cancel", I want to stop the postback. Here is the function I add to the onchange event:
function imitateConfirmUnload(event) {
if (window.onbeforeunload = null)
return true;
return confirm("Are you sure you want to navigate away from this page?
You have unsaved changes
Press OK to continue or Cancel to stay on the current page.");
}
And this is the relevant bit of code in my startup script to add the handler to the event:
[code]...
The problem is that the postback occurs even if the user selects "Cancel". If I move the handler on to the click event, it works. But it feels clunky to me.
Edit
Correction: it doesn't work onclick, because the dialog prevents selection, so when the user selects OK, no change has taken place, and no postback when you want it!
Edit 2
The DropDownList is inside an UpdatePanel so that may affect behavior.
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Mar 20, 2011
i have some jquery code that I use to toggle a panel (pnlAddBuilding)
In this panel there is a dropdownlist that does an autopostback. When the postback occurs the panel closes.
How do I keep it open?
[Code]....
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Dec 10, 2010
I have TextBox which
id="test" AutoPostBack="true" OnTextChanged="server event"...
On Client Side I write logic if fail prevent Server Event fire.
I try
[code]....
I can see the alert fire, but can not prevent the server side event fire.
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Mar 7, 2011
i have a dropdownlist whose autopostback = true , but for some selected text i do want tht the autopostback really shouldnt fire .. using jquery...
however i hav really tried out using removeAttr() to remove attribute and then evt.preventDefault() which ofcourse should prevent the postback...
also tried to set the evt.returnValue = false so that the value returned by the dropdownlist change event is false ...
d code snippet i tried out is like :
[Code]....
none of the above resulted in stopping the postback..
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Jul 2, 2010
I was going through an article on event bubbling in asp.net and came to know that although it is possible to subscribe to the click event of a user control's button from the containing page, "doing so would break some of the object oriented rules of encapsulation". A better idea is to publish an event in the user control to allow any interested parties to handle the event.
My question is that exactly how does a direct subscription to the button's click event from a containing page would break the object oriented rules of encapsulation?
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Jan 20, 2010
I am trying to use confirmation dialog from jQuery UI.
I ran into this problem: how to trigger correctly the dialog and at the same time prevent trigger OnClick event specified at button until user click on Yes or No buttons at dialog?
In the example below are two ways how to popup confirmation. Lower one works well. It's a classic JavaScript confirm dialog. When I try to use the jQuery UI dialog, it displays a dialog but allows it to run the event assigned at OnClick (here by using Command, but I suppose there is no difference. Hope I am not wrong.). The piece is taken from the ASP.NET Repeater control btw.
[code].....
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Oct 28, 2010
actually this code is working well in firfox mozila but it's not working in IE8
[code]....
here i want to prevent postback when answerlength == 0 ; but when answer length ==0 then it alert alert("u can't submit blank answer") message and postback to server io want to prevent it how i do ?
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