i have a table Marks_Entry into my database and i want to enter all students subject marks at a time and i am doing it through a datagrid view . i have made a list of rollno of student and one subject row so i want that user may able to enter the records through a datagridview into a database table ..and i have never worked on it so i dont know to insert datagridview and how to run thw insert query multiple times for all the row of datagrid..can anybody guide me through this