Solved

HTML Radio Button setting Onclick event

Posted on 2006-07-20
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2,750 Views
Last Modified: 2008-02-01
I have a repeater control with a HTML radio button in it..

<input id="rbSelected" type="radio" value='<%# DataBinder.Eval(Container.DataItem,"ContactID") %>' runat="server" />

I need to add a onclick event so that i can handle this event code behind..

i tried adding something like this..


<input id="rbSelected" type="radio" value='<%# DataBinder.Eval(Container.DataItem,"ContactID") %>' runat="server" onclick="rbSelected_Click" />

and in code behind i tried to handle this event..

protected void rbSelected_Click(object sender, EventArgs e)
    {
       
    }
but it doesnt work..

If there is'nt any onclick event.. is there any other way i could handle this  code behind.. meaning when the user clicks on a radio button.. then capture that event code behind..


Please help !!!
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Question by:Collindsouza
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5 Comments
 
LVL 24

Expert Comment

by:Justin_W
ID: 17147734
1. Set the radiobuttons AutoPostback attribute to True.
2. Create an OnSelectionChanged event handler for the button. (e.g. Double-clicking the radiobutton in VS.NET should add an empty handler for you to customize.
0
 
LVL 5

Author Comment

by:Collindsouza
ID: 17147841
Hi Justin,

Since this is a HTML Radio Button... there is no AutoPostback attribute :((
0
 
LVL 24

Accepted Solution

by:
Justin_W earned 500 total points
ID: 17147961
Then you would have to use client-side jscript events to cause a PostBack, and then manually determine in your codebehind whether your jscript caused the PostBack, and react accordingly. You can't directly hook a server-side handler to a client-side event.

Either use a RadioButton web control, or look here (http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml/reference/objects/input_radio.asp) and review the available client-side events that you can use with the HtmlInputRadioButton. Unless you are very comfortable with the ASP.NET page lifecycle and also jscript, I would highly recommend you use a RadioButton web control instead.
0
 
LVL 5

Author Comment

by:Collindsouza
ID: 17148035
Hi justin,

Many Thanks !!! yes you are right.. the path that i'm taking is getting quite complicated.. Writing a javascript routine to cause a page post back seems the only way out..

However i'm binning my entire approach and i will re-do it using gridview.. It seems to be a more sensible solution to my problem..

Thanks for your help..

Collin
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LVL 24

Expert Comment

by:Justin_W
ID: 17148108
You're welcome!
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