Set read only or disable date Time control in sharePoint 2010 (Client side) using Jquery:
Open your list in sharepoint designer and add fallowing lines of code on newForm.aspx or EditForm.aspx page of your list.
- <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> $(function() { $( "td.ms-dtinput > input[id$='DateTimeFieldDate']" ).attr('readonly', 'readonly'); $( "td.ms-dtinput > a" ).attr('onclick','').unbind('click'); }); </script>
Result: Your calendar control will be set as red only.