easy4net是一个轻量级orm框架，灵活在于可以自己编写复杂的SQL语句查询，简单在于几分钟内便能上手使用，并支持mysql, mssql, oracle, access数据库. -Easy4net is a lightweight ORM framework, flexible that can write a SQL statement complex queries, simple is a few minutes to get started, and supports mysql

这是一个Helper类，支持Sql server,Mysql,Oracle(This is a Helper class that supports Sql server, Mysql, Oracle)