public RecordMailMonthly Prev_RecordMailMonthly(RecordMailMonthly m)
{
var list = GetRecordMailMonthlies();
if (m == null)
{
return(list.LastOrDefault());
}
int index = list.IndexOf(list.SingleOrDefault(p => p.Id == m.Id)) - 1;
if (index > -1)
{
return(list[index]);
}
return(null);
}
public void AddRecordMailMonthly_Validating(RecordMailMonthly o)
{
if (o is null)
{
throw new ValidatingException("Item invalid!");
}
if (o.RecordMails?.Any() != true)
{
throw new ValidatingException("Record mails have no items to record");
}
var r = GetRecordMailMonthly(o.Monthly);
if (r != null)
{
throw new ValidatingException("Can not save in duplicated month!");
}
using (var con = Connection)
{
var col = con.GetCollection <RecordMailMonthly>(typeof(RecordMailMonthly).Name);
col.Insert(o);
}
}