string sqlt = "select b.cinvcode,b.cinvstd from jx_sample_cost_view as b inner join jx_sample_cost as a on a.sid=b.sid where a.ccode='" + tt + "'"; SqlDataAdapter objpter = new SqlDataAdapter(sqlt, objcon); DataSet objset = new DataSet(); objpter.Fill(objset, "yy"); CrystalReport1 pp = new CrystalReport1(); pp.SetDataSource(objset.Tables["yy"]); crystalReportViewer1.ReportSource = pp; objcon.Close(); 怎么显示没数据,但测试SQL时候有数据,是不是上面的代码没绑上水晶报表?
怎么显示没数据,但测试SQL时候有数据,是不是上面的代码没绑上水晶报表?