public string ConvertToHtml()
        {
            using (TextReader fileStream = File.OpenText(fileNameWithPath))
            {
                string html = string.Empty;
                string line = fileStream.ReadLine();

                while (line != null)
                {
                    html += htmlEncoder.HtmlEncode(line);
                    html += htmlEncoder.BreakLine();
                    line  = fileStream.ReadLine();
                }

                return(html);
            }
        }