CSFrameworkV6旗舰版-主从表加载报表

private void button4_Click(object sender, EventArgs e)
        {
            //打印主从表数据
            string file = Application.StartupPath + @"\MasterDetail.frx";
            rptMasterDetail.Load(file);//加载报表模板文件

            DataSet ds = DAL.GetMasterDetailData();//取报表数据

            rptMasterDetail.RegisterData(ds.Tables[0], "tb_SO");  //注册数据源,主表
            rptMasterDetail.RegisterData(ds.Tables[1], "tb_SOs"); //注册数据源,从表

            //
            //直接注册DataSet也行，但必须对DataSet.Tables指定表名！
            //FastReport是跟据表名取DataTable对象的。
            //
            //rptMasterDetail.RegisterData(ds);
            //

            //给DataBand(主表数据)绑定数据源
            DataBand masterBand = rptMasterDetail.FindObject("Data1") as DataBand;
            masterBand.DataSource = rptMasterDetail.GetDataSource("tb_SO"); //主表

            //给DataBand(明细数据)绑定数据源
            DataBand detailBand = rptMasterDetail.FindObject("Data2") as DataBand;
            detailBand.DataSource = rptMasterDetail.GetDataSource("tb_SOs"); //明细表        

            //重要！！给明细表设置主外键关系！
            detailBand.Relation = new Relation();
            detailBand.Relation.ParentColumns = new string[] { "SONO" };
            detailBand.Relation.ParentDataSource = rptMasterDetail.GetDataSource("tb_SO"); //主表
            detailBand.Relation.ChildColumns = new string[] { "SONO" };
            detailBand.Relation.ChildDataSource = rptMasterDetail.GetDataSource("tb_SOs"); //明细表 

            //准备工作,显示报表预览窗体
            rptMasterDetail.Prepare();
            rptMasterDetail.ShowPrepared(true, this);

        }