projacOther.cs

var specification =
  TSql.Projection().
    When<PortfolioAdded>(@event =>
      TSql.NonQuery(
        "INSERT INTO [Portfolio] (Id, Name) VALUES ({0}, {1})", 
        TSql.Int(@event.Id), TSql.NVarChar(@event.Name, 40) 
    ).
    When<PortfolioRemoved>(@event =>
      TSql.NonQuery(
        "DELETE FROM [Portfolio] WHERE Id = {0}",
        TSql.Int(@event.Id) 
    ).
    When<PortfolioRenamed>(@event =>
      TSql.NonQuery(
        "UPDATE [Portfolio] SET Name = {0} WHERE Id = {1}",
        TSql.Int(@event.Id), TSql.NVarChar(@event.Name, 40)
    ).
    Build();

or, you could use @0, @1 etc as well...