| Recently, with the development of the network, the significant features is the world economic integration and the development of information technology represented by computer, and the network technology become more and more applied to life. Especially the rise of the electronic commerce, is the most favourable interpretation of network influence on people’s life much.Traditional commodity mode of operation is not transparent, the benefit is low and there are a lot of insufficient place. However, the network can provide the whole process of online transactions and management service. Therefore, it has the advertising, the advisory negotiate, online ordering, online payment, electronic accounts, service delivery, consultation, transaction management and other functions. This is the influence of Electronic Commerce on the contemporary business model.Bidding is through bidding mode competition assure the final price and trading volume. The traditional auction mode exists many deficiencies, such as news release lax, the advisory negotiate content can not be completely, ordering and payment has uncertainty, the service is not in place and so on, so you can choose to use the network to solve the shortcomings of traditional bidding.Bidding online is in recent years developed. The bidding way has a lot of features, for example the cost of bidding low and running quickly etc. With the development of social environment and the change of market competition environment, a lot of transaction way gradually to use network.Online auction transaction has become a big trend of the society.At present, the implementation of online bidding can effectively guarantee the healthy development of high performance material work, online bidding has also been introduced into government management class. But or reasons of scale, or is limited by the condition, the most new model of online bidding is still in a groping exploration stage. Online bidding platform application in different directions to various existing on the market now, this paper intends to design a universal computer online bidding system. Through this system can not only to enterprise cost saving effect for government departments, also can be a good way to reflect the bidding principle,fairness, justice, open.Base.Net of the online bidding system is developed in order to achieve the online bidding. This system can realize management, bid sheet management, user management, contract management, management of funds, in addition to the data for reasonable design also to protect and restore data. So that it can be more fair, transparent, guaranteed to bid online. The main structure of this paper is to conduct a preliminary introduction about the current situation of online auction system at the first chapter, introduction some key technologies on the second chapter, the main is the.NET technology,.NET is a new generation of technology platform as Microsoft, construction of application system interconnection for agile business The third chapter is the design and realization of bidding system, the system needs analysis, including analysis of use case analysis, functional and non functional analysis, the whole design of the system in the fourth chapter, including the design of function modules, the system class diagram design, table design etc.. The fifth chapter and the sixth chapter carries on the design and detection of the code system and interface. This system uses Visual Studio 2010 to develop, use ASP.NET 3.5 web site design and use SQL Server 2008 to realize the database design.This system use Star Uml modeling software and software engineering method, using the. NET platform and Visual Studio2010 development environment, and using the ASP.NET 3.5 and SQL Server 2008 to realize the whole based on. NET computer online bidding system functions. |
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