DataTable 添加排序和查询条件的方法sort select

??????? DataView dv = feeCountDt.DefaultView;
??????? dv.Sort = " FeeCount desc";
??????? if (txtzuozhe.Text != "")
??????? {
??????????? dv.RowFilter = "Author like '%" + txtzuozhe.Text + "%'";
??????? }
??????? feeCountDt = dv.ToTable();