C# at it's finest

gistfile1.cs

foreach (DAO daoFile in daoFiles)
            {
                StoredProcedure correspondingPoc = (from x in sProcs
                                     where x.file == daoFile.calledProc select x).FirstOrDefault();

                if (correspondingPoc != null)
                {
                    IEnumerable<Error> except = correspondingPoc.possibleErrors.Except(daoFile.errorsCaught, new ErrorComparer());
                }
            }