private void button1_Click(object sender, EventArgs e)
        {
            Report report = new Report();
            string baseDir = System.Windows.Forms.Application.StartupPath;
            var reportFile = Path.Combine(baseDir, "1.frx");
            report.Load(reportFile);

            //运行报表
            report.Prepare();

            //导出PDF报表
            var file = "result.pdf";
            if (!string.IsNullOrEmpty(file))
            {
                PDFExport export = new PDFExport();
                report.Export(export, file);
            }
            report.Dispose();

            if (File.Exists(file))
            {
                Process.Start(file);
            }
        }