I have a Maintenace form setup, select add and populate my fields.

The fields populate ok

I then select Save data, but a Strataframe error message apperas, ....

Cannot Open database "MyDataBase" requested by the login.

I have not specisied a Login screen anywhere and cant remeber setting up a database called MyDatabase ...

Most likely, you ran the application once before you commented out the AddRequiredDataSourceItem for SQL that requested MyDatabase.  So, your application still thinks it needs MyDatabase.  Right after the SetConnections() method is called within the SetDataSources() method, you can add a call to ConnectionManager.ShowAvailableConnections().  This will popup the connection string builder and allow you to delete the configured connection.  Then re-run it without call to ShowAvailableConnections() and you can re-configure the connection string properly with for the FoxPro connection.