Class RecurrenceHelper

Represents a helper for handling recurrence appointments.

Inheritance

System.Object

RecurrenceHelper

Namespace: Syncfusion.Blazor.Schedule

Assembly: Syncfusion.Blazor.dll

Syntax

public static class RecurrenceHelper : Object

Methods

GetRecurrenceDateTimeCollection(String, String, Int32, DateTime, Nullable<DateTime>, Nullable<DateTime>, Nullable<DateTime>, Nullable<Int32>)

Method to get recurrence appointment's date-time collection.

Declaration

public static ObservableCollection<DateTime> GetRecurrenceDateTimeCollection(string recurrenceRule, string excludedDates, int firstDayOfWeek, DateTime recurrenceStartDate, Nullable<DateTime> recurrenceEndDate, Nullable<DateTime> dateRangeStart, Nullable<DateTime> dateRangeEnd, Nullable<int> maximumCount)

Parameters

Type	Name	Description
System.String	recurrenceRule	RRule of Recurrence appointment's.
System.String	excludedDates	Dates exclude from collection
System.Int32	firstDayOfWeek	First day of week
System.DateTime	recurrenceStartDate	Recurrence start date.
System.Nullable<System.DateTime>	recurrenceEndDate	Recurrence end date.
System.Nullable<System.DateTime>	dateRangeStart	Start date to collect the recurrence dates from the specified date range.
System.Nullable<System.DateTime>	dateRangeEnd	End date to collect the recurrence dates from the specified date range.
System.Nullable<System.Int32>	maximumCount	Length of the recurrence DateTime collection.

Returns

Type	Description
System.Collections.ObjectModel.ObservableCollection<System.DateTime>	Collection of recurrence date time

Examples

List<DateTime> dateList = new List<DateTime>();
void GetDates()
{
    dateList = RecurrenceHelper.GetRecurrenceDateTimeCollection("FREQ=WEEKLY;BYDAY=TU;INTERVAL=1;", "20221220T090000Z", 0, new DateTime(2022, 11, 9), new DateTime(2023, 1, 31), new DateTime(2022, 11, 9), new DateTime(2023, 1, 31), 9).ToList();  
}

GetRuleSummary(String, ISyncfusionStringLocalizer)

Method to get the rule summary.

Declaration

public static string GetRuleSummary(string recurrenceRule, ISyncfusionStringLocalizer localizer)

Parameters

Type	Name	Description
System.String	recurrenceRule	Recurrence rule.
ISyncfusionStringLocalizer	localizer	Syncfusion Localizer.

Returns

Type	Description
System.String	Recurrence rule summary

Examples

@inject ISyncfusionStringLocalizer Localizer
string ruleSummary;
void RuleSummary()
{
    ruleSummary = RecurrenceHelper.GetRuleSummary("FREQ=WEEKLY;BYDAY=TU;INTERVAL=1;", Localizer);
}

Exceptions

Type	Condition
System.ArgumentNullException	Recurrence rule or localizer is null