dt.select默认不区分大小写

1 今天发现了一个问题：select分组后的数据不对，大小写没有区分开，经查证，确认默认不区分大小写，

2 若要区分大小写，需要将DataTable的caseSensitive属性设为true，dt.CaseSensitive = true;

  DataTable dt = new DataTable();
            dt.Columns.Add("id");
            dt.Columns.Add("name");
            DataRow dr = dt.NewRow();
            dr["id"] = "1001";
            dr["name"] = "MiNi";
            dt.Rows.Add(dr);
            DataRow dr2 = dt.NewRow();
            dr2["id"] = "1002";
            dr2["name"] = "MINI";
            dt.Rows.Add(dr2);
            DataRow dr3 = dt.NewRow();
            dr3["id"] = "1003";
            dr3["name"] = "MINI";
            dt.Rows.Add(dr3);
            DataRow dr4 = dt.NewRow();
            dr4["id"] = "1004";
            dr4["name"] = "MiNi";
            dt.Rows.Add(dr4);
            DataRow[] bakrows = dt.Select("", "name");
            foreach (DataRow dre in bakrows)
            {
                Response.Write(dre[0] + dre[1].ToString());
            }