Connecting Sql with micrososft excell

Question

am thinking of developing a system with c# and sql and excell , A user may use the system during the day when out of office but when he get in the office he just press the button update server,where by there might be other user in the office using the same system ,when he press the button the id from the continue from the last id ,is it possible and if possible where can i get the assistance or how can i do it?