How yo add new row for data grid view and updated same id in c# windows application
I am creating windows application using c# 2010, here i am using data grid view for billing purpose, once i am stored the values to database, and then after some time i am retrieve my first bill values and i am doing some changes and update the records for same bill number. Here i am not using text boxes i want update only my date grid view.How to write update query any one give me ideas.