public void TestMethodSorting() { var dview = dv; //dv = new DataView(dt); var data = fromXmlToXml.ReadXml("https://www.tcmb.gov.tr/kurlar/today.xml"); dt = data; var dw = fromXmlToXml.SortingDataTable(dt, "Isim asc,ForexBuying desc"); Assert.IsNotNull(dw, "Datatable not null"); }