private void crystalReportViewer1_Load(object sender, EventArgs e)
        {
            TrayMaterialDeliveryTime TMDT = new  TrayMaterialDeliveryTime ();

            DataSet ds = GetDs();
            if (ds.Tables[0].Rows.Count != 0)
            {
                TMDT.SetDataSource(ds);
                crystalReportViewer1.ReportSource = TMDT;
            }
        }
        private void crystalReportViewer1_Load(object sender, EventArgs e)
        {
            TrayMaterialDeliveryTime TMDT = new  TrayMaterialDeliveryTime();

            DataSet ds = GetDs();

            if (ds.Tables[0].Rows.Count != 0)
            {
                TMDT.SetDataSource(ds);
                crystalReportViewer1.ReportSource = TMDT;
            }
        }