AJAX :: 4.0 ModalPopupExtender Pops Under?

Apr 23, 2010

using a modalPopupExtender inside an UpdatePanel (the popup control is a Panel), the popup acts normal (renders on top) using the modalPopupExtender.show() command to display. If you cancel the popup, the next popup will be under the other controls on your page. I have another modalPopupExtender which is not being displayed through the show command but is activated by another control. This one works normally. So something is going on with the show() function inside an UpdatePanel. If I remove the UpdatePanel, both popups work normally.

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[code]...

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[Code]....

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AJAX :: How To Use ModalPopupExtender In UpdatePanel

Feb 5, 2010

I try I cannot seem to find a satisfactory solution. As far as I can tell from the documentation a ModalPopupExtender should be able to reside inside an UpdatePanel. However, I simply cannot get it to work.After the first refresh of the UpdatePanel I get errors of various kinds depending on what I've tried.

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First I tried this:

[code]....

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this is my final solution:

[Code]....

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Dec 11, 2010

i try to develop a login control with modlpopupextender within usercontrol. i have a problem with hiding modalpopupextender. i indicate that if i put modalpopupextender in aspx page directly it works, but when using in usercontrol it doesn't. my codes are:

[Code]....

[Code]....

i show modalcontrol on masterpage. it is ok. i click btniptal,modalcontrol hides. but after click the btniptal, if i refresh the page(postback) modalcontrol shows again. i said this above that if i put modalcontrol directly masterpage ,thing that i said doesn't happen. how can i solve this.

[Code]....

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I have ValidationSummary in masterpage out of UpdatePanel and inside updatePanel i have my ContentPanel. I have an user control where iam having Save button which iam using in all my pages of application. Now i have a requirement like i need to show the validation summary in ModalPopUpExtender.

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AJAX :: Found A Bug In The ModalPopupExtender?

Feb 9, 2010

I think I've found a bug in the ModalPopupExtender. Here is the details:

Problem

When you use ModalPopupExtender within an UpdatePanel, the controls in the PopupControl (the Panel containing the content needs to be poped up) will be rendered, even though the NamingContainer (or the parent) of the ModalPopupExtender and the PopupControl is set to invisible. This may cause Event Validation error between AsynPostBacks. Cause

The controls in the PopupControl will not be rendered within the UpdatePanel, but at the bottom of the page outside the UpdatePanel. When the NamingContainer of the PopupControl and the ModalPopupExtender is set to invisible, the content outside the UpdatePanel won't be updated and therefore stays on the page.

Code

Default.aspx

[Code]....

Steps to reproduce the problem

Create a simple ASP.NET web application in VS using the code provided aboveRun the app in debug modeClick on button Show 1, and then click the link button Show. The popup panel should show up. Click either
OK or Cancel to close out the popup panel.Click on button Show 2. You will see the content in the popup panel is displayed at the bottom of the page. However, the content should be invisible and should not be rendered, or should be removed from the page.Click on button Show 1 again. You will see the familar error message: Sys.WebForms.PageRequestManagerServerErrorException: Invalid postback or callback argument...

Further explaination

This error has nothing to do with the ViewState. When button Show 1 is clicked the second time, the page will try to load data (including ViewState, PostData and Session) into the controls on the page before btn1_Click is called. At this moment, pnl1 is still invisible, so the page will only try to load the data for the controls in pnl2. However, if you check the Request.Form.AllKeys in the watch window, the TextBox
txt is part of the PostData. This doesn't match any control in pnl2, and then the exception is thrown.

I have tried many different ways, but none of them worked.

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in my c# code i have the following;

ModalPopupExtender2.Show();

This works fine my popup appears, so i put an ok button on the Panel and on_click in the code file i tried to;

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I already tested <FadeIn Duration="0.5" Fps="50" forceLayoutInIE="true" />

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http://www.laneros.com/attachment.php?attachmentid=185893&d=1290707244

But after much control to use the ModalPopupExtender starts to appear behind the form and to return to appear before touching refresh the page or press the button repeatedly calling him. In the next picture you can see what it looks behind the popup form:

http://www.laneros.com/attachment.php?attachmentid=185894&d=1290707443

Si alguien me puede echar una mano para evitar esta situación se lo agradecería mucho.

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I've been prototyping the use of the ModalPopUpExtender but find that the BackgroundcssClass fills the entire screen even though I have defined the width and height. So when I click on link button the popup fills the entire window and the X/Y positioning has no effect. Other than that the content displays fine. Any thoughts on this issue?

[Code]....

[Code]....

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Here is my code:

[Code]....

Also the popup is not transparent, how do I make it so. The css I am using for the popup is as follows:

[Code]....

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[code]...

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[code]...

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