change system DSN to a difference MS Access Database

matlab script to change which ms access database (.mdb) is set as the Data Source Name (DSN)

Typically, one would go to start->control panel->administrative tools->data sources (odbc)-->system dsn (tab)->configure-> and select, to choose a database. This script lets the user select the .mdb file they want to use as the DSN and then it updates the string in the registry file to the path and name of the chosen .mdb.

Code is in pushbutton1_Callback. I had to figure out how to do this and thought i'd share