OA办公管理系统 主要是实现联系人管理模块的增删改查-OA office management system is to achieve the contact management module CRUD

OA员工管理系统的java源码， servlet+sqlserver2000 实现了员工之间的交流，员工管理增删改查，留言板等功能--OA staff management system java source code, servlet+ sqlserver2000 to achieve communication between employees, staff management CRUD, message boards and other functions-

一个典型的项目立项表，可以参考里面的实现增删改查等功能-A typical project approval form, which can refer to the realization of CRUD functions

C#-Tree Form 树 的递归绑定，拖动，增删改查等功能，学习参考很不错 vs2013 +sql2012 Access2013-2003 数据库可选，-C#-Tree Form tree recursive bindings, drag, CRUD functions, learning is very good reference vs2013+ sql2012 Access2013-2003 options,