ASPxScheduler.AppointmentFormShowing Event
Occurs before the appointment editing window is created.
Namespace: DevExpress.Web.ASPxScheduler
Assembly: DevExpress.Web.ASPxScheduler.v18.2.dll
Declaration
Event Data
The AppointmentFormShowing event's data class is AppointmentFormEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Action | Gets the action to be accomplished via the appointment editing form. Inherited from AppointmentFormBaseEventArgs. |
| Appointment | Gets an appointment related to the event. Inherited from AppointmentFormBaseEventArgs. |
| Cancel | Gets or sets a value indicating whether the event should be canceled. Inherited from SchedulerFormEventArgs. |
| Container | Gets or sets the object that will function as a container for an instance of the template used to render the appointment editing form. |
| FormTemplateUrl | Gets or sets the Uniform Resource Locator (URL) of the form template. Inherited from SchedulerFormEventArgs. |
Remarks
The appointment editing window is invoked by clicking the appointment in the scheduler view and selecting the Open command in the drop-down menu. Use this event to cancel editing by setting e.Cancel=true or to substitute the built-in editing form via the AppointmentFormEventArgs.Container property.
The following code snippet illustrates how to handle the **** event. Refer to the Custom appointment form with modified behavior to get complete code.
<dx:ASPxScheduler id="ASPxScheduler1" runat="server"
OnAppointmentFormShowing="ASPxScheduler1_AppointmentFormShowing" >
...
</dx:ASPxScheduler>
protected void ASPxScheduler1_AppointmentFormShowing(object sender, AppointmentFormEventArgs e) {
e.Container = new MyAppointmentFormTemplateContainer((ASPxScheduler)sender);
}