ASPxScheduler.AllowAppointmentCreate Event

Occurs when the scheduler initialize an appointment.

Namespace: DevExpress.Web.ASPxScheduler

Assembly: DevExpress.Web.ASPxScheduler.v19.2.dll


public event AppointmentOperationEventHandler AllowAppointmentCreate
Public Event AllowAppointmentCreate As AppointmentOperationEventHandler

Event Data

The AllowAppointmentCreate event handler receives an argument of the AppointmentOperationEventArgs type. The following properties provide information specific to this event.

Property Description
Allow Gets or sets a value indicating whether an end-user is allowed to perform a particular action.
Appointment Gets the appointment for which the event was raised.
(Inherited from AppointmentEventArgs)
Recurring Gets or sets a value indicating if the appointment is recurring.


The AllowAppointmentCreate event is in effect if the SchedulerOptionsCustomization.AllowAppointmentCreate property is set to Custom.

Refer to the SchedulerControl.AllowAppointmentCreate topic, to learn more.

protected void Page_Load(object sender, EventArgs e) {    
    ASPxScheduler1.OptionsCustomization.AllowAppointmentCreate = UsedAppointmentType.Custom;
    ASPxScheduler1.AllowAppointmentCreate += ASPxScheduler1_AllowAppointmentCreate;
void ASPxScheduler1_AllowAppointmentCreate(object sender, AppointmentOperationEventArgs e) {
    e.Allow = IsAllowedByClient(GetClientById(Session["CurrentClientId"]), ScheduleOperationType.Create, e.Appointment, e.Recurring);
bool IsAllowedByClient(Client client, ScheduleOperationType operationType, Appointment appointment, bool isRecurring) {
    if(operationType == ScheduleOperationType.Create) {
        return client.Rules.Appointment.Create.IsAllowed(appointment);
    } else {
        return true;
See Also