Now it is 2020, people have already been in the era of big data, computer is an essential tool in people's daily life. The management mode of the company has already transferred from manual office management to computer information automation management. Some small store owners may use computer management for sales and bookkeeping for the convenience of sales. Almost all large companies use computer information processing systems to automate the operation and operation of equipment or machines. For some small and medium-sized supermarket goods, sales, employees and other information management, they can also connect to computers for management. Business managers Through the computer clear to the whole Supermarket internal work situation control. I use Visual Studio 2017 launched by Microsoft company for system development and design. The database operation software is Microsoft SQL Server 2008, which stores all kinds of information in the supermarket. This database makes the information in the supermarket have high integrity, consistency and security ASP.NET Connect to the database. In addition, StarUML drawing software is also used to draw the class diagram and use case diagram of the system information. The system can manage the information in the supermarket, such as purchase, sales, return and other six functional modules. It also includes administrator login, registration and other functional modules, mainly including add, delete, modify, query and other operations. It solves the problems of complex data and management difficulties in the supermarket, and provides a more flexible and convenient management mode for all kinds of supermarkets.<br>
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