Entity classes decoupled from LINQ to SQL provider for implementing the Repository pattern. How?

Question

I have looked over the Repository pattern and I recognized some ideas that I was using in the past which made me feel well.

However now I would like to write an applicat

Answer 1

You can create an external XML file mapping the database to any class:

And then pass the XML to a DataContext class:

 using (var cn = GetDbConnection())
  { var mappingSrc = XmlMappingSource.FromReader(xmlReader);

    using (var db = new DataContext(cn, mappingSrc))
     { var q = from entity in db.GetTable()
               where entity.PropertyA = "..."
               select entity.ID;
     }
  }