Upload file in each row of DataGridView and save on Button Click using C# and VB.Net in Windows Application

in c# windows form i have a button in datagridview on clicking i need to upload file.

i want to upload file in each row in datagridview and finally save.

in db it is stored as image how to do it

for eg i have datagrid with id name uploadfile.

in datagridview on clicking upload file in each row i need to upload it and finally on clicking save get all saved

how to do it