public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
        {
            UserReport rpt = new UserReport();

            rpt.Site = this.Site;
            return(rpt);
        }
        public UsersReportViewer(List <Usuarios> suplidores)
        {
            InitializeComponent();
            this.SuplidoresList = suplidores;
            UserReport pr = new UserReport();

            pr.SetDataSource(SuplidoresList);

            UsrReportViewer.ReportSource = pr;
            UsrReportViewer.Refresh();
        }