public void Singlefetch()
{
if (!Flag)
{
_collect.Clear();
if (PersonsList != null && PersonsList.Count != 0)
{
foreach (Person p in PersonsList)
{
_collect.Add(p);
}
Flag = true;
NextRecordId = PersonsList[PersonsList.Count - 1].ID + 1;
}
else
{
NextRecordId = 1;
}
}
}
private void onCommandadd()
{
PersonsCollection.Add(new Person(
RandomHelper.RandomString(10, true),
RandomHelper.RandomInt(1, 43),
RandomHelper.RandomBool(),
RandomHelper.RandomBool(),
RandomHelper.RandomDate(new DateTime(1980, 1, 1), DateTime.Now),
RandomHelper.RandomColor()
));
}