I run a website on an ISP where my community college students can practice their Ancient Greek and Latin.  Most of the aspx pages I designed myself, but I had to hire someone to write the database connections, as I am weak in this area.  Now I've downloaded all the pages from the ISP in order to build a duplicate site on my home network.  I've also installed the database that runs on the ISP on the same home machine.  Here's my problem.
On the pages where the connection string is on the aspx page it was easy enough to simply change the connection string on the web.config page to point to the local SQLexpress:
<connectionStrings>
<add name="HomeDB" connectionString="Data Source=HomeMachine\SQLEXPRESS;Initial Catalog=HomeDB;Integrated ...

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