一个关于秒表的小程序,用VB和c#写的,可以练习以下基本程序写法...

1.实现对二进制数据库的检索，查找，修改，增加，删除等操作； 2.实现数据库的加密，支持密码校验登陆有效防止防止数据泄漏。 3.程序启动时自动校验数据库完整性及其数据合法性并且自动屏蔽非法数据及提示用户删除损坏的数据库。 4.可以按归并排序方法对书目进行排序； 5.内置前台销售操作功能，可以实现图书销售的功能，并且根据销售情况实时修改数据库； 6.内置强大的异常处理机制，可以应付绝大部分异常情况。 7.程序标题栏实时显示程序状态。 对初学者很有帮助的-1. The realization of the binary database search, find, modify, add, delete and other operations 2. The realization of the database encryption, support for password check to prevent the landing effectively prevent data leakage. 3. Procedure automatically check data integrity and legitimacy of the database and automatic shield illegal data and prompts the user to delete the damaged database. 4. May merge sort method to sort the bibliography 5. Built-front sales operation, can achieve the function of book sales and, in accordance with amendments to the sale of real-time database 6. Built a powerful exception handling mechanism to cope with the vast some anomalies. 7. Program title bar in real-time status display program. Useful for beginners

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Some of you may have already come to realize I have previously written and released a similar control via CodeProject. Even though the last control was written using C++ along with MFC, some readers may wonder why I would recreate the same control without branching out into uncharted territory. But the fact of the matter is: I am indeed branching out, and this isn t simply a recreation. I ve never ventured into C# before. So rather than jump the gun and start out with an ambitious project that is nothing but of a stranger to me, I have decided to stick with something I am both familiar and comfortable with: porting my C2DPushGraph control to C#. After porting the control and discovering C# wasn t much different than C++ in ideology, I quickly shifted my focus to improving the feature set and overall design of the control, all while conforming to general C# standards and ethics. -Some of you may have already come to realize I have previously written and released a similar control via Co

资源描述Winform服装销售管理系统是一款简单的服装进销存源码，适用于初学者，有需要的朋友不要错过。 主要功能： 1、登录 2、进货管理：进货订单、进货单、供应商资料、出仓单 3、销售管理：销售单、销售退换货、调货单、贵宾资料 4、库存管理：商品信息、库存状况、销售报表、仓库盘点

工业石化行业计算油品质量的国标算法gb1885-2001-industrial oil and petrochemical industries terms of the quality algorithm gb1885 GB- 2001

C++ programming design including data struct

化学元素周期表，包含所有已知元素，包括熔点、沸点、读音、英文名称等信息-Periodic Table of the Elements include the new Elements, and include name, melting point,boiling point,spelling.

C语言位操作应用举例，简要说明在C语言中如何操作字节中的位-C language bit manipulation application example, a brief description of how to operate in the C language byte in bits