Disabled Checked checkbox shows as unchecked - ASP.NET

Question

I have a input checkbox that is checked and disabled when some JS runs on page load.

<input name="selectUnionDues" id="selectUnionDues"  type="checkbox" checked="checked" runat="server" />

When I get the value of the checkbox by using (on the server side)

this.selectUnionDues.checked //returns false

I always get a false

EDIT: I am concerned about using heavy asp.net controls since the page size in this application needs to be low. Is there a way out using HTMl controls?

Answer 1

Disabled form controls are not "successful controls", that means they values aren't "submitted" at all with your form.

Answer 2

check this out https://web.archive.org/web/20211020150718/https://www.4guysfromrolla.com/articles/012506-1.aspx

In short, (1)there is a "SubmitDisabledControls" property of "form" or (2)tweak the javascript the author provided

Answer 3

If you disable the checkbox, it always return false. the best idea is to make the checkbox readonly, so that it will return the value as it is. make the readonly="readonly".