public void TestingReportAppend() { //Pick the Report template string date = BaseTest.GetDate("MM/dd/yyyy h:mm tt"); htmlContent = System.IO.File.ReadAllText(@"C:\SampleAutomationProject\SampleAutomationProject\Template\datatools.html").Replace("{date}", date); ////Fill the content in the htnl file ////Assign the file name to the result report htmlFileName = "Report_" + DateTime.Now.ToString("yyyy_MM_ddThh_mm_ss") + ".html"; ////Assign location to the result report htmlFilePath = resultFolderPath + "\\" + htmlFileName; ////Write the report in the provided location System.IO.File.WriteAllText(resultFolderPath + "\\" + htmlFileName, htmlContent); }