条件:type = employee,id = ? 结果:查询表 T_EMPLOYEE 中 id = ? 的员工记录 条件:type = employee,id = null 结果:查询表 T_EMPLOYEE 中所有员工记录 条件:type = salary,id = ? 结果:联合查询表 T_EMPLOY......
string ConnectionString = “Data Source=数据库名;User Id=用户名;Password=密码;Integrated Security=no;”;