[Reprint]asp.net mvc:why is Html.checkbox generating an additional hidden input

Http://stackoverflow.com/questions/2697299/asp-net-mvc-why-is-html-checkbox-generating-an-additional-hidden-input

http://bbs.csdn.net/topics/390707144

"Because the checkbox is not checked, it is not committed when the form is submitted, which causes the model binder in the server-side controller to fail or error, so the hidden text box is always false, That is, when the checkbox is unchecked, the value of the hidden text box is submitted.

I doubt that "This causes the model binder in the server-side controller to fail or error", and I suspect that >.<

[Reprint]asp.net mvc:why is Html.checkbox generating an additional hidden input