>sb.AppendLine(); >sb.AppendFormat("Hello {0}, {1}" + Environment.NewLine, "Fred", "Bill"); >sb.AppendFormat("Hello {0}, {1}\r\n", "Fred", "Bill"); >sb.Append("Another Line" +Environment.NewLine); >sb.AppendLine("And another");>If you want to see what they really look like in the debugger use the 'Text Visualizer' option in a Watch window