众所周知，软件开发离不开对数据的访问。数据访问在整个软件开发的三层构架中属于数据层，是其它两层的基础。没有了它，存储的数据变的毫无意义。与此同时，数据访问的效率...

飞机订票系统课程设计源代码 毕业设计的一个源代码 主要是数据库的设计参考一下吧-aircraft booking system source code curriculum design of a graduate design major source code for the design of the database will make reference to it

管理系统是一个适用于中小型超市管理的软件,没有用户数量限制,主要特点:1所有商品进出可直接扫描（包括进货、零售、盘盈盘亏等处理)。 2支持钱箱功能、零售票据打印功能。3支持多仓区管理。4售货员暂时离开时可以锁屏，必须有密码才可以打开。 5对库存过高或过低时报警。6．不同操作人员设置不同的权限，实现分工明确，严格限制操作员操作权限，避免泄密。7．对顾客发会员卡，在电脑里建立会员资料，记录会员消费信息。实现对常客的管理，顾额在结算可选择普通顾额及会员，若为会员时自动按会员价结算 8．可将供应商、商品等信息录入电脑保存，以供查询、分析。 9． 及时、方便地查询应付款、自定义时间段查询销售业绩、会员消费情况分析、当前库存价值分析等。 10．基于微软的Access构建，具有良好的兼容性和易用性，可以很方便地与Word、Excel交换数据-management system is an application in small and medium-sized supermarket management software, users no quantitative restrictions, the main features : an all goods can directly access scanning (including wholesale, retail, inventory profits, etc. Check processing). Two box support functions, retail paper printing function. Three support multiple warehouse management. 4 salespersons can temporarily leave the lock screen, a password must be open. Five pairs of stocks too high or too low when the alarm. 6. Different operators set up different competencies to achieve a clear division of labor, and strictly limit the operation t

Csharp_VS2005_2008_datagridview 动态生成列和行的代码:-Csharp_VS2005_2008_datagridview dynamically generated columns and lines of code:

db数据库支撑模块，数据库的开发以及ADO.NET的数据封装，虽然不是很完美但是对一般开发已近满足大部分需求-db database support module, database development, and ADO.NET data package, although not perfect but most of the general development to meet the needs of nearly

一个学生选择课程的软件，可以方便学生选择课程，程序简单-Students choose a course of software that can facilitate students to choose courses, the program simple

Berkley DB数据环境的演示代码，支持多点数据复制-Berkley DB data environment demo code, support multi-point data replication

使用ADO操作数据库，ADO技术是基于COM，具有COM组件的诸多优点，被多种语言支持-operate the database using ADO, ADO is based on the COM, COM has many advantages, being multilingual support

这也是采用COM接口的数据库访问技术， 采用ADO类封装，速度快，更加容易调用。- This also is uses the COM connection the database visit technology, uses a ADO kind of seal, the speed quickly, is easier to transfer.

datagird,dataset,等数据操作类的编程-datagird, dataset, data manipulation and other types of programming

通过本文及配套示例源码你可以更加灵活的控制Excel表格文件，其中包括创建新Excel文件、写入表格数据、读取表格数据(包括对原建Excel文件自已手工添加的行、列数据的准确读取)，删除已有Excel表格，对表格中指定行、列、单元格进行查询、插入、替换等操作，同时还可以将生成的Excel文件转换为按指定分隔符分隔的其它文本格式的文件-adoption of this sample source code and supporting you to be more flexible control of Excel documents, including the creation of new Excel file, write tabular data, reading the spreadsheet data (including the original Excel files built themselves manually add the rows and columns of data accurately read), has been deleted Excel spreadsheet, the forms were designated rows and columns, and cells to conduct inquiries, insert, replace, etc, and also can be generated for the Excel document conversion designated by separate segregated from the other website text files