我用水晶报表做打印:
string sql="select * from Furn_Info";
            string accessConn="server=(local);uid=sa;pwd=;database=ZB1";
SqlConnection mycn=new SqlConnection(accessConn);
mycn.Open();
Dataset1 ds=new Dataset1();
SqlDataAdapter adp=new SqlDataAdapter(sql,mycn);
adp.Fill(ds);
CrystalReport1 rtp=new CrystalReport1();
rtp.SetDataSource(ds.Tables[0]);
crystalReportViewer1.ReportSource=rtp;
为什么打印界面没有数据填充进去呢?