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Trigger a click button event from another button, using javascript

I have an iframe in asp.net, using c# .
When the iframe with a story ends, I want to fire a button in parrent window via java script.
The iframe window has its own html file and js file. when the iframe come to an end of story
in the js file run
case "ClosePlayer":
trig();
break;
then I call another js file with a simple function
function trig()
{
//$('#<%= SubmitButton.ClientID %>').click();
//document.getElementById('<%= SubmitButton.ClientID %>').click();
document.getElementById("SubmitButton").click();
// alert("javascript here");
}
in the main window in asp.net I have this button
<asp:Button ID="btnProceedToNextTab" runat="server" Text="Proceed" OnClick="btnProceedToNextTab_Click" />
and I want to trigger this with another button via javascript, so the code behind of the function btnProceedToNextTab_Click(); run
<asp:Button ID="SubmitButton" runat="server" Text="Button" OnClientClick="trig();" />
Can anyone help me? I tried to use jquery, but nothing fires the button. The alert messages show ok, but the button is never clicked.

Try something like this in your parent window:
$("#iFrame").contents().find("#ButtonInIframeWindow").live('click',function(){
$('#submitButtonInParentWindow').click();
});

this is false:
document.getElementById("SubmitButton").click();
you have to use jQuery selector like this:
$("#SubmitButon").click();

Can you try this...
You can invoke your click function in javascript function..
document.getElementById('btnProceedToNextTab').click();
Please feel free to mark as answer if it satisfies....

ok found it.
from child (iframe window) call a js file with trig();
function trig()
{
var proceedButton = parent.$('[id$="btnProceedToNextTab"]');
proceedButton.trigger('click');
return false;
}
and in parent window:
<asp:Button ID="btnProceedToNextTab" runat="server" Text="Proceed" Style="display:none;" OnClick="btnProceedToNextTab_Click" />
works for me! thanks.

To stop reloading web page In Asp.net on any button click

how stop postback on any button click. My page is reloading as soon as i click on reset button on the registration page, i want to reset the form without reloading the page itself.

You have two possibilities:
Simply set the attribute AutoPostBack="false" on your button or whatever control.
As an alternative you could also add the following javascript to the click event of the button :
onclick="return false"
This prevents the button from submitting.

Try following:
<asp:button runat="server".... OnClientClick="return false;" />

First you have to know about Sever Control and normal HTML control.
If you used Server Button Control then your Page reload on each click.
If you wan to stop it then you have to use AutoPostBack="false", using this your server side method calling is stop.
Otherwise use Normal HTML Button Control and use JavaScript to reset your form.

jPlayer maintaining playback after button click

I have an asp button:
<asp:ImageButton CssClass="button" ID="ImageButtonLogin" runat="server" Text="Login" OnClick="ImageButtonLogin_Click" ImageUrl="upload.jpg" />
CodeBehind jus creates a new div, adds it to a PlaceHolder and then make some asp controls visible.
I also have jPlayer implemented. The problem is, when I click on above button (or any other button/link), music stops and then I cannot resume playback (like after pausing), it seems that jPlayer unloads the song.
It seems like button click reloads entire site or something, so:
is there a way to force buttons not to reload entire page?, or
can i place my jPlayer in some place, where it will be 'safe' and the other part of my site will not affect it?
Thank You for answers, it's my first asp.net website and I appreciate all the help You can provide :)

create a pop up aspx page and by the close button that would close..?

I want To Create A aspx pop up Page on a button and then in that pop up a close button should be there and by that close button pop up would be closed.

Create a Div with ID 'popUpDiv' and put all your required controls in it.
and your click button
<asp:Button onclick="popup('popUpDiv')" ID="Button1" runat="server" Text="Click to Close CSS Pop Up" />
Try DEMO here
use this JS file

I'd recommend jQueryUI's Dialog instead of fiddling around with manual positioning and event handling. Then you can use:
$('#somediv').dialog();

How can I create in C# a page to response to another one?

How can I create in C# a page to response to another one? So when you press the button,login form opens in a new widow(browser tab or widow), and as you login... the form automaticaly refresh the first page.
Like the Open ID form. You press the (Connect with Facebook) button it opens a new window with the login form and then it refreshes the the website where u pressed the button.
Sorry for my English!! :) & please help!

You open a new window from a button click like this:
Markup:
<asp:button type="button" id="btnLogin" runat="server" Text="Click me" OnClientClick="javascript:window.open('newPage.aspx'); OnClick="ServerSideCode" />
Or with a regular HTML button:
<input type="button" id="btnLogin" value="Click me" onclick="javascript:window.open('newPage.aspx');" />
On newPage.aspx you define a function to auto close the current form and reload the parent form. Something like:
function closeMe()
{
window.parent.location.reload();
self.close();
}
And on server-side, when you handle your button Click event, you add this line all the way at the bottom depending on whether the process was successful. Example:
if(loginSuccessful)
ScriptManager.RegisterStartupScript(this.GetType(), "whatever", "closeMe();");

Learn more about AJAX. And technically, a C# code deal with pages (it may however handle HTTP requests & replies).

you can use ( if you open a new window) the opener object.
and you can also make use of the PostBackUrl
also you can make use of form1.Action