Pointers marked with * are to be implemented urgently

!! Install epplus library: In Package Manager console, run the following command: Install-Package EPPlus.Core

!! Create excel file using EPPlus lib: https://www.c-sharpcorner.com/blogs/how-to-create-excel-file-development-using-epplus-net-library-c-sharp

!! read excel file: * http://sforsuresh.in/reading-excel-file-using-epplus-package/

!! Create table and insert values: * https://www.c-sharpcorner.com/blogs/how-to-create-a-table-in-an-excel-worksheet-insert-data-into-the-excel-table-cells-using-epplus-library-net-c-sharp

!! Read excel table: * https://stackoverflow.com/questions/36637882/epplus-read-excel-table

!! import and export excel data into SQL server (for asp implementation, or use script to auto-generate excel dump from DB) https://www.c-sharpcorner.com/article/import-and-export-data-using-epplus-core/

!! read excel data for grid/dataview (translate to english): * https://www.thaicreate.com/asp.net/c-sharp-asp.net-excel-epplus-read-excel.html

!! Local SQL db file: https://www.c-sharpcorner.com/UploadFile/7d3362/use-local-database-file-in-window-application-C-Sharp/

!! DB toolbox and connectors for sdf: http://www.sokhawin.com/how-to-open-sql-compact-edition-file-sdf-in-visual-studio-or-linqpad/