Call Javascript onchange event by programmatically changing textbox value

Question

the problem I\'m facing is this:

• I have a textbox for a date range along side a calendar control.
• When the user selects a date from the calendar, it

Answer 1

Onchange is only fired when user enters something by keyboard. A possible workarround could be to first focus the textfield and then change it.

But why not fetch the event when the user clicks on a date? There already must be some javascript.