SchedulerExtension.GetAppointmentsToRemove<T>(SchedulerSettings, FetchAppointmentsMethod, Object) Method

Obtains appointments which should be removed from the data source using the delegate method that enables you to dynamically limit the number of loaded appointments.

Namespace: DevExpress.Web.Mvc

Assembly: DevExpress.Web.Mvc5.v20.2.dll

Declaration

public static T[] GetAppointmentsToRemove<T>(
    SchedulerSettings settings,
    FetchAppointmentsMethod fetchAppointmentsMethod,
    object resourceDataObject
)
Public Shared Function GetAppointmentsToRemove(Of T)(
    settings As SchedulerSettings,
    fetchAppointmentsMethod As FetchAppointmentsMethod,
    resourceDataObject As Object
) As T()

Parameters

Name Type Description
settings SchedulerSettings

A SchedulerSettings object containing settings applied to the Scheduler.

fetchAppointmentsMethod FetchAppointmentsMethod

A FetchAppointmentsMethod delegate that provides appointments to insert.

resourceDataObject Object

A collection of resources in the scheduler.

Type Parameters

Name
T

Returns

Type Description
T[]

A Model data class instance that is the entity contained in the appointment data source and mapped to an appointment.

Remarks

The GetAppointmentsToRemove<T> method instantiates a Scheduler and applies the specified settings. Then, an appointment being inserted is retrieved from this Scheduler instance.

For an example of use refer to the following code snippet.

View Example

static void UpdateAppointment() {

    DBAppointment[] insertedAppt = SchedulerExtension.GetAppointmentsToInsert<DBAppointment>(SchedulerSettingsHelper.CommonSchedulerSettings,
        SchedulerDataHelper.FetchAppointmentsHelperMethod,
        SchedulerDataHelper.GetResources());
    foreach (var appt in insertedAppt) {
        SchedulerDataHelper.InsertAppointment(appt);
    }

    DBAppointment[] updatedAppt = SchedulerExtension.GetAppointmentsToUpdate<DBAppointment>(SchedulerSettingsHelper.CommonSchedulerSettings,
        SchedulerDataHelper.FetchAppointmentsHelperMethod,
        SchedulerDataHelper.GetResources());

    foreach (var appt in updatedAppt) {
        SchedulerDataHelper.UpdateAppointment(appt);
    }

    DBAppointment[] removedAppt = SchedulerExtension.GetAppointmentsToRemove<DBAppointment>(SchedulerSettingsHelper.CommonSchedulerSettings,
        SchedulerDataHelper.FetchAppointmentsHelperMethod, 
        SchedulerDataHelper.GetResources());
    foreach (var appt in removedAppt) {
        SchedulerDataHelper.RemoveAppointment(appt);
    }

}
See Also