How to show ModalPopUpExtender in Page Load?

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How to show ModalPopUpExtender in Page Load?

I'm Using Asp.net with C# as code behind. I want to show a terms & conditions pop up after login (redirected to next page and its page load)

Posted 17-Jun-13 21:46pm

KuttiSankar

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2 solutions

Solution 1

Try this in your Page_Load Event.

C#

ModalPopUpExtender1.Show();

--Amit

Posted 17-Jun-13 22:05pm

_Amy

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KuttiSankar 18-Jun-13 6:36am

No im asking how to call it in page load event? wat will be target control id?

<cc1:ModalPopupExtender ID="ModalPopupExtender1" runat="server" >

This is my code and what i can put target control id for triggering the pop up in page load event?

_Amy 18-Jun-13 6:39am

Panel will be the best option. You can use a panel to do the same.

KuttiSankar 18-Jun-13 6:42am

Yes i have panel also but i want to know how to trigger it while page load?

_Amy 18-Jun-13 6:44am

Try this in your Page_Load:
ModalPopUpExtender1.TargetControlID = YourPanelID.ClientID;
ModalPopUpExtender1.Show();
--Amit

KuttiSankar 18-Jun-13 6:47am

Error:
Object reference not set to an instance of an object.

_Amy 18-Jun-13 6:49am

Which line? Can you show your code?

KuttiSankar 18-Jun-13 6:49am

ModalPopupExtender1.TargetControlID=Panel1.ClientID;
ModalPopupExtender1.Show();

this only i have written in page load.

_Amy 18-Jun-13 6:52am

Debug the code. Check your Panel/ModalPopupExtender and find why it is coming null.

KuttiSankar 18-Jun-13 6:55am

can u tell me ur mail id and then i can mail my code?

_Amy 18-Jun-13 6:56am

No, sorry. You can check my profile.

KuttiSankar 18-Jun-13 6:58am

fine thanks

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KuttiSankar · Accepted Answer · 2013-06-19T03:58:00

We can write a function in Java script as

C#

function PageLoad()
        {
            document.getElementById("btn").click();
        }

and call it in Page Load as

<body onload="PageLoad()" >

and place a button control in page.

& for ModalPopUp,

VB

<ajaxToolkit:ModalPopupExtender ID="ModalPopUp" runat="server" BackgroundCssClass="modalBackground"
                cancelcontrolid="CancelButton" dropshadow="true" okcontrolid="OkButton"
            popupcontrolid="Panel1"  targetcontrolid="btn">

btn is ID of button control.

It will work.