I have a simple checkbox, generated with:
<%= Html.CheckBox("myCB" )%>
How can I add an onChange handler to this that does a submit?
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3 Answers
Add an onClick handler to the CheckBox that submits the form the CheckBox belongs to...quick, clickHandler codeless example:
<%= Html.CheckBox("myCB",
new { onClick = "$(this).parent('form:first').submit();" });
(example definitely not checked for accuracy)
1 Comment
RickardN
If this code should work, the checkbox has to be right beneath the
form. Use: $(this).parents('form:first').submit(); instead.If you have only one form, and are not using JQuery (you should be, by the way) try this:
<%= Html.CheckBox("myCB",
new { onClick = "document.form.submit();" });
1 Comment
chris
This is close, the actual syntax is document.forms[0].submit()
I would highly recommend using jQuery to support this because it makes it easier to add the behavior to a checkbox throughout your site by having the selector either be ID or class-based. Then you could put the script anywhere on the page or in an external .js file.
<script language="javascript" type="text/javascript">
$('#myCB').click(function() { $(this).parent('form:first').submit(); });
</script>
Alternatively, the selector could be class-based (or any attribute for that matter). More info here: http://docs.jquery.com/Selectors
1 Comment
chris
I'll probably end up using this on other projects, but for now it's just one place - thanks, though.