private void button1_Click(object sender, EventArgs e)
        {
            string sSQLString = "SELECT * FROM Repair";
            string sConn = "Persist Security Info=false;" +
            "Integrated Security=SSPI;database=FDB;server=CMUYU-PC;Connect Timeout=30;";
            SqlConnection conn1 = new SqlConnection(sConn);
            SqlCommand comm1 = new SqlCommand(sSQLString, conn1);
            SqlDataAdapter sd = new SqlDataAdapter(comm1);
            //DataBase db = new DataBase();
            DataSet dataset1 = new DataSet();
            conn1.Open();
            sd.Fill(dataset1);
            conn1.Close();
            comm1.Dispose();
            conn1.Dispose();
            //db.Dispose();
            this.reportViewer1.LocalReport.ReportEmbeddedResource = "report.Report1.rdlc";
            this.reportViewer1.LocalReport.DataSources.Clear();
            ReportDataSource rds = new ReportDataSource("Dataset1", dataset1.Tables[0]);
            this.reportViewer1.LocalReport.DataSources.Add(rds);
            this.reportViewer1.RefreshReport();
        }

            rvUserStat.LocalReport.ReportPath = "rptUserInfo.rdlc";
            rvUserStat.ShowParameterPrompts = false;
            ReportDataSource _rds = new ReportDataSource();
            _rds.Name = "dsUserInfo_dtUserInfo";
            _rds.Value = ds.Tables[0];
            rvUserStat.LocalReport.DataSources.Clear();
            rvUserStat.LocalReport.DataSources.Add(rds);
            rvUserStat.LocalReport.Refresh();