Step 1: Scan schema and accept changes with the database connection that you wish to unlink. You need to make sure your application is in a healthy state.
Step 2: Create a dummy database with no tables.
Step 3: In the web.config file, locate the connection string for the database that you wish to unlink. Change the data source and database name to be the dummy database.
Step 4: Scan schema and accept changes.
Step 5: Build the application. During the build process, Iron Speed Designer will search for the code and xml files to be removed in the Data Access and Business Layer.
Step 6: On Iron Speed Designer, delete any presentation layer files you don't want to keep. (Don't try to delete it from Visual Studio or Window explorer)
Step 7: Delete any menu references to the removed pages.
Step 8: Close Iron Speed Designer
Step 9: Delete the connection string of the dummy database using notepad in the web.config file.
Database and Data Model Enhancement
Adding Virtual Primary Key Relationships
Adding Virtual Foreign Key Relationships