Re: Calendarfield extension
Looks like I figured it out. The SQL field name needs to match the field name for the front end form field name (naturally). The field type is text. When I selected the field type to be date, it did not save the data. Please correct me if I am wrong.
Re: Calendarfield extension
In your database use int(10).
Contao stores dates as Unix timestamps, and formats them according to the date and time settings you choose in Settings.
In the Form Generator the field type to choose is "calendarfield" which lets you choose a date format (eg: Y-m-d) and date direction (eg: only future dates), but it still stores everything as a 10 digit timestamp.