I am having a problem getting a table's ColumnChanging event to fire
and cannot find a good reason.  When my application starts a client is
selected and that client's personal info is brought down.  It is placed
in a class as a shared property of type TypedDataSet.  Now all forms
can access this data in a shared manner.  When I try and databind this
data via textboxes and alter an individual field the table
ColumnChanging event will not fire.  But, if I add a new row the table
ColumnChanging event will fire.  Also, if I create an instance of the
typed dataset it fires the event as well.  Is there something about the
data being shared that stops this event from firing?  Any other
suggestions?

Thanks,

AJL