In the process of developing and deploying enterprise information software systems, it is often necessary to use different business functions according to different roles without modifying the source code, configure business functions for roles, and realize the \"role-function\" correspondence. The design idea of dynamic menu based on .NET reflection technology can adapt to such enterprise needs without modifying the source code, that is, the program can dynamically load and execute assemblies (components) without considering the code version issue. The data structure, storage method, design and loading of .NET assemblies (components) of menu elements are all research contents of this design method. Keywords: .NET platform; reflection technology; assembly (component); dynamic menu In the process of developing and deploying enterprise information software systems, the needs of enterprises often change: on the one hand, it is necessary to dynamically increase, reduce or modify the business functions of some subsystems; on the other hand, due to changes in enterprise business or processes, enterprises also need to set different business functions for different roles and implement permission control. That is, the enterprise information software system can support the dynamic loading of newly developed components to support the addition of new business functions to roles; it also supports the dynamic change of the business functions of role operations, that is, control the permissions of roles [1]. Enterprise information software systems developed on the .NET platform can use configuration tools to complete the management of the addition, deletion, query and modification of assemblies (components) in the system, forming a small component library; then use reflection technology and persistence technology to dynamically generate \"menu elements\", each \"menu element\" corresponds to the component under each role, that is, it is possible to support the specific business functions operated by this role without changing the source code. The various information of the assemblies required for the dynamic menu implemented by reflection technology in the program can be realized through XML storage or persistence technology such as database.
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