1、DataView篩選數據
//假設有一個DataTable數據 DataTable dt = new DataTable(); //DataTable轉成DefaultView DataView dv = dt.DefaultView; dv.RowFilter = "用戶角色 = '學員'"; //得到篩選后的數據,並轉成DataTable DataTable newTable = dv.ToTable();
2、DataView排列數據
//正序 dv.Sort = "ID asc"; //倒序 dv.Sort = "ID desc"; //多個排序 view.Sort = "ID DESC,Name ASC";
3、DataView其他篩選
//按搜索條件,將DataView中符合條件的行,檢索出來,與數據庫用sql查詢作用一致。 dv.RowFilter = "Name like '*山東*'"; //查詢條件大於 dv.RowFilter = "Name > '5'"; //查詢條件 in dv.RowFilter = "ID in (1,3,5,7)";