//正确
var weldtable = (from tt in database.NDEWeldingCheckData
where tt.IsDelete == false && tt.FK_TasComID == jobnoid
select tt
)
.OrderBy(p => p.SpaType)
.ThenBy(p => p.WeldingCheckTypeGoup)
.ThenBy(p => p.OrderNumber);
//错误
var weldtable = (from tt in database.NDEWeldingCheckData
where tt.IsDelete == false && tt.FK_TasComID == jobnoid
orderby tt.SpaType, tt.WeldingCheckTypeGoup, tt.OrderNumber
select tt
);
//错误
var weldtable = (from tt in database.NDEWeldingCheckData
where tt.IsDelete == false && tt.FK_TasComID == jobnoid
orderby tt.SpaType
orderby tt.WeldingCheckTypeGoup
orderby tt.OrderNumber
select tt
);