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V25.1
  • DxSchedulerDiscardAppointmentChangesButton Class

    A button that discards changes in an appointment.

    Namespace: DevExpress.Blazor

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    public class DxSchedulerDiscardAppointmentChangesButton :
        SchedulerPopupButtonBase

    Remarks

    Use the DxSchedulerDiscardAppointmentChangesButton object to add the Discard Changes button to an appointment’s tooltip, an edit form (compact or detailed), or recurrence settings form. Declare this object in the following properties:

    The following code snippet customizes the header of the compact edit form. The header displays the appointment’s subject and buttons (Save Changes, Delete Appointment, Discard Changes, and Show Appointment Form).

    <DxScheduler StartDate="@DateTime.Today"
                 DataStorage="@DataStorage">
        <Views>
            <DxSchedulerWeekView ShowWorkTimeOnly="false"
                                 TimeIndicatorVisibility="SchedulerTimeIndicatorVisibility.Never"
                                 TimeScale="@(new TimeSpan(0,15,0))"
                                 WorkTime="@(new DxSchedulerTimeSpanRange(TimeSpan.FromHours(9), TimeSpan.FromHours(18)))"
                                 VisibleTime="@(new DxSchedulerTimeSpanRange(TimeSpan.FromHours(8), TimeSpan.FromHours(19)))">
            </DxSchedulerWeekView>
        </Views>
        <AppointmentCompactFormHeaderTemplate>
            <div class="popup-text-header">@context.Subject</div>
            <DxSchedulerSaveAppointmentChangesButton></DxSchedulerSaveAppointmentChangesButton>
            <DxSchedulerDeleteAppointmentButton Text="@null"></DxSchedulerDeleteAppointmentButton>
            <DxSchedulerDiscardAppointmentChangesButton></DxSchedulerDiscardAppointmentChangesButton>
            <DxSchedulerShowAppointmentFormButton></DxSchedulerShowAppointmentFormButton>
        </AppointmentCompactFormHeaderTemplate>
    </DxScheduler>
    
    @code {
        DxSchedulerDataStorage DataStorage = new DxSchedulerDataStorage() {
                AppointmentsSource = AppointmentCollection.GetAppointments(),
                AppointmentMappings = new DxSchedulerAppointmentMappings() {
                    Type = "AppointmentType",
                    Start = "StartDate",
                    End = "EndDate",
                    Subject = "Caption",
                    AllDay = "AllDay",
                    Location = "Location",
                    Description = "Description",
                    LabelId = "Label",
                    StatusId = "Status",
                    RecurrenceInfo = "Recurrence"
            }
        };
    }
    
    <style>
        .popup-text-header {
            margin-right: auto;
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
        }
    </style>
    

    Scheduler - Compact Form Header

    Run Demo: Scheduler - Custom Fields and Appointment Form

    Inheritance

    Object
    ComponentBase
    SchedulerPopupButtonBase
    DxSchedulerDiscardAppointmentChangesButton
    See Also