تماشای ویدئو insert update delete data in database from datagridview از آی-ویدئو

using this tutorial you can easily insert update delete data in database from datagridview and Insert,Delete and Update data in database from datagridview and Update and insert save data to database and datagridview in c# windows application and Insert data in database from datagridview and insert update delete using datagridview using c# and show database values in table or datagridview. This techniques work 100% fine.