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Select Appointment

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Scheduler and Reminder
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Richard
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Richard asked on 21 Sep 2011, 01:36 AM
Hi,

I have been working on a function that allows a user to search for an appointment ID, and the appointment corresponding to the appointment ID is highlighted/selected.

I have been able to do this by using the following:
Dim appt As IEvent = Nothing
appt = GetAppointment(CLng(msSearchID))
If appt IsNot Nothing Then
   SchedulerUIHelper.SelectAppointment(radScheduler1, appt, True)
End If
Private Function GetAppointment(ByVal nID As Long) As IEvent
        Dim appt As IEvent = Nothing
        Try
            For Each a As IEvent In radScheduler1.Appointments
                If a.UniqueId.KeyValue = CStr(nID) Then
                    appt = a
                End If
            Next
            Return appt
        Catch ex As Exception
            Return appt
        End Try
End Function

However, an appointment which has a RecurrenceRule (a master appointment) is not being highlighted. Recurring Appointments are also not being highlighted, but this is understandable as radScheduler1.Appointments collection does not have separate instances of the recurrence, but it does have the master appointment.

For example, an Appointment with ID 45 is a master appointment with 4 more appointments recurring daily. If the user enters 45, we select this appointment from the GetAppointment function as shown above, then pass it to SchedulerUIHelper.SelectAppointment to highlight this. The SelectAppointment method does not work, even though we pass the correct IEvent to it.

Alternatively, if the user enters ID 33 (which is a normal appointment without any recurrence rule), then SelectAppointment function does work and the desired appointment is highlighted.

Is this a bug in SchedulerUIHelper.SelectAppointment? If so, how do I implement the same functionality as the SelectAppointment function?

Thanks, 

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Ivan Todorov
Telerik team
answered on 23 Sep 2011, 02:45 PM
Hi Richard,

Thank you for contacting us.

The SelectAppointment method is not able to find the appointment that you have passed because when an appointment is defined as recurrent, the instance in the Appointments collection is not the one displayed. The occurrences are displayed instead (e.g. even the first displayed appointment of occurrence series is actually an occurrence - it is not the appointment that is stored in the Appointments collection).

Here is a simple method which you can use in your case:
Public Shared Sub SelectAppointment(scheduler As RadScheduler, appointment As IEvent)
    For Each element As AppointmentElement In SchedulerUIHelper.GetAppointmentElements(scheduler)
        If Object.Equals(element.Appointment, appointment) OrElse Object.Equals(element.Appointment.MasterEvent, appointment) Then
            SchedulerUIHelper.SelectAppointment(scheduler, element.Appointment, True)
            Return
        End If
    Next
End Sub

I hope this will help you. Feel free to write back if you have any further questions.

All the best,
Ivan Todorov
the Telerik team

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Scheduler and Reminder
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Richard
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Answers by
Ivan Todorov
Telerik team
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