When you try to insert or update in oracle, but not in asp.net 2.0. You will find yourself at lost because your data does not reflect what you have inserted or updated in sqldeveloper tool. You need to press F11 or commit, it is not like using sql server management studio.
Oracle Commit (F11) when inserting or updating or deleting.
working with oracle sql developer, you need to press F11 (Commit)
to be able to processed all changes that your insert or update or delete
in order to reflect using asp.net.