How to disable future dates in Ajax Calender Extender Control

The following Code will help you to solve problem :

AjaxControlToolkit.CalendarBehavior.prototype._cell_onclick_original = AjaxControlToolkit.CalendarBehavior.prototype._cell_onclick;          

            AjaxControlToolkit.CalendarBehavior.prototype._cell_onclick = function(e)

            {                                   

                var target = e.target;                                              

                if(target.id.toLowerCase().indexOf('sdate') > -1)

                {   

                    var today_date = new Date();                                   

                    if (target.date > today_date)                                         

                    {

                        this._selectedDateChanging=false;

                        return;                                           

                    }

                }

                this._cell_onclick_original(e);

            } 

 

In next post I will show how to change color of future  dates in calender extender control...