How to disable previous dates while using in ajaxToolkit CalendarExtender
A:
One Option is to use a rangevalidator on the textbox the calenderextender is bound to. Ie if you have the TargetID of the calendar extender set to tb1 add a rangeValidator to flag when the contents of tb1 is before today.
Another option is using javascript and here is a good example: http://www.dotnetcurry.com/ShowArticle.aspx?ID=149 TIP 6.
A:
Please check the following solution. This might help you: http://gratisaccount.wordpress.com/2008/10/22/disable-dates-in-calendarextender/
Vivek Sharma
2009-11-06 10:20:27