DataTable newdtb = new DataTable();        newdtb.Columns.Add("Id", typeof(int));        newdtb.Columns.Add("ProName", typeof(string));        newdtb.Columns.Add("ProPrice", typeof(decimal));        newdtb.Columns["Id"].AutoIncrement = true;for (int i = 1; i < 11; i++)        {            DataRow newRow = newdtb.NewRow();            newRow["ProName"] = "pro" + i.ToString();            newRow["ProPrice"] = 12.3m;            newdtb.Rows.Add(newRow);               }                   newdtb.DefaultView.Sort = "id ASC, ProPrice desc";            DataTable dtTemp = dt.DefaultView.ToTable();dtTemp 即按你需要排序的表。