2 issues in Builing Custom Controls. - ng.asp-net-forum.windows-hosting_open_forum

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5 Items, 1 Pages 1 |< << Go >> >|

	EvanCamilleri
	Asp.Net User

2 issues in Builing Custom Controls.

12/7/2004 3:45:37 PM

0/0

I am builing a Custom Control and have the following issues:

::1::
I need to add properties to the <body> tag of the main form in which this control resides, so that it finally reads:



     <BODY onload="controlfunc()">

or if the parent has already something in the onload:



     <BODY onload="parentfunc();controlfunc()">

::2::
I need to add some 'HTML' between the body and the form tags, so that it finally reads:



     <BODY onload="LoadDiv()">


          <OBJECT id="dlgHelper" height="0px" width="0px" classid="clsid:3050f819-98b5-11cf-bb82-00aa00bdce0b" VIEWASTEXT></OBJECT>


          <form id="Form1" method="post" runat="server">

Since if I put this <object> inside the form tag, it does not work!

Thanks for your help!

Evan Camilleri

Holistic Research And Development Limited

Holistic Institute of Technologies

Malta - Europe

www.holistic.com.mt

	widgetninja
	Asp.Net User

Re: 2 issues in Builing Custom Controls.

12/8/2004 12:10:01 AM

0/0

the first one is easy:



   Page.registerStartupScript("startup", "<script> somefunction()</script>")

is equivalent to what you want. Now you could learn how to attach and remove handlers in javascript... but it's not necessary in your case (OnLoad Event).

the second one... Wow, you actually have someone that's letting you run COM objects on the client? Nobody has let me do this for almost a decade! Haven't done it in .NET, so I can't help. However, if it's worth a few hundred bucks to you, you can buy Infragistics' suite with source code and see how their designers are adding attributes to the body tag at design time to support intellisense... the same technique applies to this.

Underpaid, painfully underutilized, and always looking for more work in Va.

	EvanCamilleri
	Asp.Net User

Re: 2 issues in Builing Custom Controls.

12/8/2004 11:02:18 AM

0/0

No it does not work!

I do not want to put the script, that's not a problem.

I want to programatically set the onload attribute of the body tag!

:(

Evan Camilleri

Holistic Research And Development Limited

Holistic Institute of Technologies

Malta - Europe

www.holistic.com.mt

	widgetninja
	Asp.Net User

Re: 2 issues in Builing Custom Controls.

12/8/2004 9:03:05 PM

0/0

Hold on there guy. I never give INCORRECT advice. What I said to do does work, and was equivalent in your particular case...using the onLoad event.

Programmatically setting the onload does exactly the same thing as I outlined, in terms of results... so long as order of execution doesn't matter... because you would have to emit them in that order.

If order of execution does matter, then it is as simple as doing what I said, except using something similarto the following script in place of the simple function call.



   var currentHandlers = document.body.getAttribute("onload");


   currentHandlers  += "YourNewFunction();"


   document.body.setAttribute("onload", currentHandlers);

Or you can do what I said and use attachHandler/detachHandler. Search your Visual studio help. It's in there. I assumed that since you didn't know about them, I would give you the easy way out.

What you were probably trying to do is actually set the handler, which is expecting a function pointer. OnLoad is both an event, and an attribute.

Underpaid, painfully underutilized, and always looking for more work in Va.

	EvanCamilleri
	Asp.Net User

Re: 2 issues in Builing Custom Controls.

12/9/2004 9:13:52 AM

0/0

ok thanks.

If I understand well then everything must be done on client side.

In the meantime I actually did it 'the complicated way', by getting the headers up till just before the form as a ResourceBasedLiteralControl, changing it to a LiteralControl, parsing it and adding what I need.

But your way is simpler..... so better

But I think this is the way to solve my second problem, though I will also try to avoid COM controls.

Thanks
:)

p.s. I do not know how much you get, most probably more than me since here in Malta we are really underpaid..... but in any case I agree: you are underpaid and painfully underutilized :)

Evan Camilleri

Holistic Research And Development Limited

Holistic Institute of Technologies

Malta - Europe

www.holistic.com.mt

5 Items, 1 Pages 1 |< << Go >> >|

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