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    摘要:随着计算机以及电子商务技术的不断推进和发展,人们在进行大量文件使用和保存的同时,希望可以永久并且安全的进行文档的设置。当然仅仅是纸质的文档设置早就不被现在世纪的人们所青睐,于是伴随着电子商务产生的电子合同开始发展起来,作为逐渐开始流行起来的电子合同,不断的被更多的企业所使用,并且大量的软件开发者也开始研究这个课题。作为一款比较受欢迎的电子软件,它不仅需要很高的安全性,来保证双方在达成协议后无法更改相应的信息。更需要具备一定的时效性,这样可以使协议双方都可以有效的查看内容。电子合同比较方便且在数据库添加进去后,可以使合同的数量增多,改变了传统纸质合同携带不方便的弊端。58790

    本文立足于电子商务发展的现状,依托计算机科学技术以及传播的工具,进行了需求分析及数据库的分析与设计,从而实现系统主要模块的完成和顺利应用,推进合同的发展。本系统在VS2010的开发环境下,通过C#语言并结合了Sql Server 2008数据库,采用了三层架构。本系统主要实现的功能是对于管理员、员工信息以及合同信息的管理,主要是增删改查,还有最关键的便是签名技术的实现

    毕业论文关键字:电子合同管理系统、签名技术、Asp.net、VS2010

    Absart:With the constant progress and development of the technology of computer and  electronic commerce, people in large files and save at the same time, hope can permanently and safety of document set. Of course, only paper documents set early on was not now century favored by people, so along with e-commerce, electronic contract began to grow, and as gradually began to pop up in the electronic contract and continues to be used by more and more enterprises, and a large number of software developers also began to study the subject. As a popular electronic software. It needs not only a high security, to ensure that both after the agreement cannot be changed corresponding information. Need to have certain timeliness, so that both parties to the agreement can view the content. Electronic contract is more convenient and added into the database can cause an increase in the number of contracts, change the disadvantages of inconvenient carrying of the traditional paper-based contract.

    Based on the status of e-commerce development, relying on science and technology as well as computer tool for the dissemination of the analysis and design needs analysis and database in order to achieve complete and successful application of the main modules, to promote the development of the contract. The system under development environment VS2010, C # language and through a combination of Sql Server 2008 database, using a three-tier architecture. The main function is for administrators, staff information, and information management contracts, primarily CRUD, and to achieve the most critical is the signature technology.

    Keywords: Electronic Contract System, Signature technology, Asp.net , VS2010

    目   录

    1 绪论 3

    1.1 发展概况和国内外研究现状 3

    1.2 课题的研究现状 4

    1.3本文的主要内容及结构安排 4

    1.3.1本课题的主要内容 4

    1.3.2 结构安排 5

    1.4 系统运行环境 5

    2系统相关技术分析 5

    2.1 VS综述 5

    2.2 ASP的基本原理 5

    2.3 Sql server 2008介绍 6

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