When i double click on an Appointment the "Edit Appointment" menu comes up.

On this menu i have 2 Date Pickers and 2 Time pickers and also 2 combo box (one for users and the other for rooms).

I need all the items above to be read-only, but i can't find anywhere how to achieve this...

Thanks in advance for all the help.

Hi Miguel,

To see how to access the elements within the Advanced Edit Form of RadScheduler, you could refer to the following help article: Customizing the Advanced Form using JavaScript / jQuery. 

When you have the client-side objects of the controls inside the Advanced Form, you could use their client-side APIs to enable/disable them. For more information about the client-side programming of these controls, you could refer to the following help articles: RadDatePicker Client Object,   RadTimePicker Client Object, and  RadComboBox Client Object.

I hope this helps.

Greetings, Ivana
the Telerik team