HTML: How to Disable the Submit Button After Submit


<script type="text/javascript">
	function disableFormElements(form){
			for (var i=0; i<form.elements.length; i++) 
			    form.elements[i].disabled = true;
		}, 1);
<form name="formName" action="page.xsp?p1=1&p2=2" method="post" 
onsubmit="if (!ClientValidation()) return false; disableFormElements(this)">

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Treatment of spaces-only input in ASP.NET MVC

I guess every framework has some kind of bizarre "default" behavior which can cause problems and will require thorough research and experimenting to understand what's going on. For ASP.NET MVC, one of the most stunning examples is its treatment of space symbols in input. It's a real pity that to understand how to deal with this (quite common) problem properly, one needs to do a lot of experimenting and gathering bits and pieces of information from different sources. This article is an attempt to collect this information and express it in more or less coherent way.

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