把查询的数据放入多维数组中

string[,] dtStr; string strCom = "select 表1,表2,表3 from myuserdata1"; DataTable res = Sql.ExecuteQuery(strCom); dtStr = new string[res.Rows.Count, 3]; for (int i = 0; i < res.Rows.Count; i++) { for (int j = 0; j < 3; j++) { dtStr[i, j] = res.Rows[i][j].ToString(); } }