I'm using RadToolTip in a RadScheduler with sqldatasource and i can see only and empty RadScheduler. Also, when i press the Save button a null reference exception arises in the following line of the Radscheduler1_AppointmentCreated method: string id = e.Appointment.ID.ToString; (The DataItem and the ID are null). The data insert to the database.
What am i doing wrong;
Thank you very much.
I have writthen the following code: