Adding Special Days on demand.

[Ivan]

Hi.

I'm using a DatePicker to show data about a specific date, and there are also dates in which no data is related. Hence, I'm populating the picker with special days using the OnLoad event, enabling and disabling the dates between the MinDate and MaxDate, as it's being needed.

This is how I've done so far, populating from the picker's MinDate to the MaxDate, which works, but I'd like to populate by requesting dates everytime I navigate, within the picker's CalendarView, so everytime a request occurs, I only process no more than 40 Special Days, not every date of several months and so on:

protected void DatePicker_Load(object sender, EventArgs e)
{
            RadDatePicker picker = sender as RadDatePicker;

            DateTime[] dates = controller.GetCustomerBaseDates();

            picker.MinDate = dates.Min();
            picker.MaxDate = dates.Max();

            for (DateTime d1 = picker.MinDate; d1 <= picker.MaxDate; d1 = d1.AddDays(1))
            {
                RadCalendarDay day;

                bool exists = dates.Contains(d1);

                day = new RadCalendarDay { Date = d1, IsSelectable = exists, IsDisabled = !exists };
                day.ItemStyle.CssClass = exists ? "rcDataExists" : "rcDisabled";

                picker.Calendar.SpecialDays.Add(day);
            }
}

How could I add the special days every time navigation occurs?  I want to enable and disable these dates on navigation within the view, because a lot of dates would be involved in the process.

Regards.

[Iana Tsolova]

Hello Ivan,

In order to achieve your goal, you will need enable the picker's calendar AutoPostBack. However this is not supported out-of-the-box. And to implement it, you can follow the approach illustrated here.

Check it out and let me know if it works for you.

All the best,
Iana
the Telerik team