Creating user input forms, help...

[Ray Lavelle]

I'm new to VB .NET. In the past when creating an application, if I
had an input form I would just call the set and get methods on the
object that mapped to my database table in order to store and retreive
the data for that form. I would manually set each field if the user
was editing a record and I would copy each field from the form into my
object when they click save.
I want to develop some new forms but this time I want to try to make
this a databound form. I have used databound grid controls before with
no problems, but I have never done it with input forms that just
consist of many text boxes, combo boxes, radio buttons, ect. I
understand how to databind these so they reteive data from the
database but how do I create new records from an initially empty form?
How can I force the entire form to be saved at once instead of after
they edit each field? How can I validate each field before they are
saved to the database?
Can anyone give me an overview of the best way to handle user input
forms in .NET or even better point me to an online tutorial?
Thanks.