public static string Build(IEnumerable<LabelInfo> labels) { using (var writer = new StringWriterWithEncoding(Encoding.Default)) { foreach(var labelInfo in labels) { writer.WriteLine(string.Format("{0}\t{1}}\t{2}\t{3}\t{4}\t{5}\t{6}\t{7}\t{8}", labelInfo.FirstName , labelInfo.LastName , labelInfo.CorpName, labelInfo.Address, labelInfo.PostalCode , labelInfo.City, labelInfo.State , labelInfo.IsoCountryCode , labelInfo)); } } var content = writer.GetStringBuilder().ToString(); return content; }