I am tring to make an auto-increment field but every time I do I get an error message saying that "Item can not be found in collection", I can add fields to tables but not the autoincrement. the code I'm using is:

ADO_Table.Columns.Item("NameOfField").Properties _("AutoIncrement") = True

In the watch window under the
.columns.item ("NameOfField).properties.count = 0
is this normal?