private void button2_Click(object sender, EventArgs e)
        {
            this.report1 = new FastReport.Report();
            string baseDir = System.Windows.Forms.Application.StartupPath;
            var reportFile = Path.Combine(baseDir, "1.frx");
            this.report1.Load(reportFile);
            this.report1.Preview = this.previewControl1;                     
            report1.Prepare();
            report1.ShowPrepared();
        }