Application of MVVM design pattern in MES

Manufacturing Execution System (MES) is developed for information requirement of manufacturing enterprises. Because of different requirement of MES in different enterprises, almost all MES are developed customized. Therefor how to reduce modified codes and decrease the coupling between view page and data become the key for system development. MVVM design model separates software structure to view, model and view model by XAML and Data Binding of WPF technology. The number of modified codes is dramatically reduced because of the using of MVVM design pattern. In this paper, MVVM design pattern for MES development is introduced and MVVM Framework, principle and advantage are also studied in detail.