How to Sort Data in Datatable using C#

DataView dv = dt.DefaultView;
dv.Sort = "ColumnName desc";
DataTable sortedDT = dv.ToTable();

DataTable orders = dataSet.Tables["SalesOrderHeader"];

EnumerableRowCollection<DataRow> query = from order in orders.AsEnumerable()
                                         orderby order.Field<decimal>("TotalDue") 
                                         select order;

DataView view = query.AsDataView();

bindingSource1.DataSource = view;