StringBuilder AppendLine Method inconsistantly fails to add a new line

'The following appendline does not add a new line: Dim strBody As StringBuilder = New StringBuilder strBody.Append("The SCC is ") strBody.Append(Trim(txtSCC.Text.ToString)) strBody.Append(". (Service coverage Codes in)") strBody.AppendLine() 'Appendline does add a new line after adding a "." following "Codes in)" Dim strBody As StringBuilder = New StringBuilder strBody.Append("The SCC is ") strBody.Append(Trim(txtSCC.Text.ToString)) strBody.Append(". (Service coverage Codes in).") strBody.AppendLine() 'I have found there are times Appendline fails after appending a string or certain characters.'Could it involve how a string is terminated? 'Wh ...