How can I make LINQ to SQL use a connection string which is being modified at runtime?

Question

I\'m experimenting some difficulties trying to use Connection String Builders (ADO.NET) within LINQ to SQL. Let me show you guys what I\'m trying to do:

Answer 1

You can force a DataContext to use a specific connection string with

DataContext db = new DataContext(myConnectionString);

The parameterless DataContext constructor will use a connection string from the App.config file first, then the connection string set at compile time.