Fluent Linq to Sql

public class CustomerMapping : Mapping<Customer> {
   public CustomerMapping() {
	Identity(customer => customer.Id);
	Map(customer => customer.Name);
	HasMany(customer => customer.Orders).OtherKey(order => order.CustomerId);
   }
}
 
var mappingSource = new FluentMappingSource("Mydatabase");
mappingSource.AddFromAssemblyContaining<CustomerMapping>();
 
var dataContext = new DataContext("connection-string", mappingSource);
var customers = from c in dataContext.GetTable<Customer>() select c;