UniteFindCompositor

代码说明：

  　C#数据库升序、降序排列数据，对联合查询后的结果进行排序，在SQL语句中经常用到对读取到的数据集进行排序的问题，本例是在联合查询后进行的数据库升序排列和降序排列，有兴趣的可一看。(C# database Ascending, Descending data, to sort the results in the union query, sort of read data set is often used in SQL statements, this case is the union query the database in ascending order and descending arranged interested can see.)