Design And Implementation Of Purchase Sell Stock Management System For Daqing Oilfield Engineering Construction Co., Ltd.

In our country, the development of enterprises plays an important role in the development of a country. It is an important part of national economy. The modern enterprise’s economic growth dependents on the application of information technology to a great extent. The enterprises can win only by the application of new technology in the rapid development of society. Purchase sell stock management system is produced in such form, the application of it can satisfy the business enterprise to a great extent on the production, management, sales and other business needs. The system can improve the work efficiency, save cost and increase economic benefits.In this paper, according to the business requirements of Daqing Oilfield Engineering Construction Co., LTD., designing Purchase sell stock management system. The system mainly includes six function modules, they are Purchase sell stock management, human resource management, sales management, reporting center management, collaborative office management and system maintenance respectively. This article introduce the overall functional requirements of the six modules. In this paper, the focus of this article is to realize purchase sell stock management module. When designing purchase sell stock management module, it is based on the safety C/S structure and using.NET platform, c # language and SQL Server 2005 database system to implement system.We use the structured design method to divide the system, each module is divided into some sub-module. Purchase sell stock management module is divided into four sub-modules. In requirements analysis, we analyze the function structure and use case. In the design of the system, we design class diagram of each module, flow chart and the database table, etc. Finally, the system is implemented and tested, the test results show that the system function and performance of daqing oilfield engineering construction co., LTD. are satisfied the demand of business, now the system has been used, and effect is very good.It improved the work efficiency greatly by using the system in Daqing Oilfield Engineering Construction Co., LTD.. It has an important value to improve the economic benefits., At the same time it also has reference value to design similar system.