ASPxScheduler.AppointmentFormShowing Event

Occurs before the appointment editing window is created.

Namespace: DevExpress.Web.ASPxScheduler

Assembly: DevExpress.Web.ASPxScheduler.v24.1.dll

NuGet Package: DevExpress.Web.Scheduler

Declaration

C#

public event AppointmentFormEventHandler AppointmentFormShowing

VB.NET

Public Event AppointmentFormShowing As AppointmentFormEventHandler

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.

ASPX

<dx:ASPxScheduler id="ASPxScheduler1" runat="server" 
    OnAppointmentFormShowing="ASPxScheduler1_AppointmentFormShowing" >
    ...
</dx:ASPxScheduler>

C#

protected void ASPxScheduler1_AppointmentFormShowing(object sender, AppointmentFormEventArgs e) {
    e.Container = new MyAppointmentFormTemplateContainer((ASPxScheduler)sender);

}

Online Examples

• How to construct an appointment editing form with custom fields