In visual studio datasource designer(The screen where you have all the UML Diagrams including relations) is there any way to refresh a table and its relations/foreign key constraints without refreshing the whole table?

The way I am doing it at the moment is removing the table and adding it again. This adds all the relations and refreshes all fields.

Also if I change a fields data type, is there a way to automatically refresh all the fields in the datasource? Again without deleting the table and adding it again.

Reason for this is because some of my TableAdapters have quite a number of complex queries attached to them and when I remove the table the adapter gets removed as well including all its queries.

I am using Visual Studio 2008 and connecting to a MySQL database.