protected void DayPilotCalendar1_EventDelete(object sender, EventDeleteEventArgs e)
{
#region Simulation of database update
DataRow dr = table.Rows.Find(e.Id);
if (e.Recurrent)
{
if (e.RecurrentException) // replace this exception with a deleted exception
{
if (dr != null)
{
// save the original start
DateTime start = RecurrenceRule.DecodeStart((string)dr["recurrence"]);
// delete the "modified" exception
table.Rows.Remove(dr);
table.AcceptChanges();
// add "deleted" exception
dr = table.NewRow();
dr["id"] = Guid.NewGuid().ToString();
dr["start"] = start;
dr["end"] = start;
dr["recurrence"] = RecurrenceRule.EncodeExceptionDeleted(e.RecurrentMasterId, start);
table.Rows.Add(dr);
table.AcceptChanges();
}
}
else
{
// not an exception, look for the request
string which = (string)e.Data["which"];
switch (which)
{
case "this":
// add "deleted" exception
dr = table.NewRow();
dr["id"] = Guid.NewGuid().ToString();
dr["start"] = e.Start;
dr["end"] = e.End;
dr["recurrence"] = RecurrenceRule.EncodeExceptionDeleted(e.RecurrentMasterId, e.Start);
table.Rows.Add(dr);
table.AcceptChanges();
break;
case "series":
// delete the master
DataRow master = table.Rows.Find(e.RecurrentMasterId);
table.Rows.Remove(master);
// delete all exceptions
string prefix = RecurrenceRule.Prefix(e.RecurrentMasterId);
DataRow[] rows = table.Select(String.Format("recurrence like '{0}%'", prefix));
foreach (DataRow r in rows)
{
table.Rows.Remove(r);
}
table.AcceptChanges();
break;
}
}
}
else
{
if (dr != null)
{
table.Rows.Remove(dr);
table.AcceptChanges();
}
}
#endregion
DayPilotCalendar1.DataBind();
DayPilotCalendar1.Update("Event deleted.");
}
