FileInfo report = new FileInfo(reportFilePath);

HtmlAnchor downloadReportAnchor = new HtmlAnchor();
downloadReportAnchor.HRef = Page.ResolveClientUrl(urlFileStart + this.projectid.ToString() + "/" + this.studyid.ToString() + "/" + report.Directory.Name + "/" + report.Name);
downloadReportAnchor.InnerText = "Download Report";
downloadReportAnchor.Attributes.Add("class", "cta");

ReportDownloadHolder.Controls.Add(downloadReportAnchor);