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4/26/2004 2:28:58 PM

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

	sikittle
	Asp.Net User

user controls + events

4/26/2004 2:28:58 PM

0/0

Hi,

I've got a user control i'm developing which accesses info from a database and displays it. It is essentially one record.

I am displaying the fields in text boxes, and I have a button which can be used to put it the record in Edit mode.

This button works fine normally. But if I create the control at runtime using LoadControl(), none of the button events (Edit, Cancel, Delete) seem to fire.

Does any special stuff have to be done to be able to handle events if the user control is created at runtime?

Would creating a user control to handle all functionality related to one database record, for example, displaying it, editing it, etc, be considered a bad idea?

I read one ASP.NET starter kit where it says that User Controls should not really contain Form controls inside it, but I'm not sure if that was in specific context.

Thanks

Simon

	master4eva
	Asp.Net User

Re: user controls + events

4/26/2004 8:35:54 PM

0/0

Do you recreate the user control every post back?

-- Justin Lovell

	Robske
	Asp.Net User

Re: user controls + events

4/27/2004 7:27:47 AM

0/0

Don't know if this is the solution but it's worth trying.
If you create a control at run-time and you click on the control.... (button in this example) the control is not saved on the page. You have to create the button again or store it als an object in a session or viewstate.

Session["button"] = btnToSave;

on page load

btnToSave = (Button)Session["button"] ;

Do you have added a eventhandler??

btnToSave.Click += new EventHandler(method name without parameters);

Rob

	hiskid
	Asp.Net User

Re: user controls + events

8/20/2004 6:38:48 PM

0/0

You need to bubble your events...

MS has a great HOWTO at MSDN

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

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Web:
Handling User Control Events Do not include user control event handlers in the containing page; write them in the code declaration block of the user control or in the code-behind file ...
ASP 101 - User Controls NET User Control Sample - Validation & Events Event Bubbling From Web User Controls in ASP.NET (C#) C# code for event bubbling from a web user control (ASCX) to a parent page (ASPX ) and the shows the flow of events through execution.
Dynamically Creating User Controls That Fire Events Back To You ... May 7, 2008 ... The key is to give that user control its own EventArgs type (to hold its unique ID ) and thus also give it a delegate and an event. ...
Silverlight: User Controls with events Instead of declaring RoutedEvents in our User Control, we have to resort to standard .NET events then. From a user point of view, it doesn't make a very big ...
Sending events from user controls to the parent containers - Johan ... Apr 6, 2005 ... This sample lets the user control raise an event, which the parent page catches. The event contains information about what text the label ...
How do you capture User control events in the parent page Talk about How do you capture User control events in the parent page.
Easily Raise Events From ASP.NET ASCX User Controls - Brendan ... NET developers don't implement events from their user controls. .... I have been looking for a solution to get my user control events fired. ...
15 Seconds : Building ASP.NET User and Server Controls -- Part 1 The event that this fires on is the OnPreRender event. This event is part of the page life cycle (which user controls consequently share), ...
UserControl Class (System.Windows.Forms) MiddleRight ' Add the controls to the user control. Controls. ... ex As Exception ' Cancel the event and select the text to be corrected by the user. e. ...

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