How to Save Image from DataGridview to Oracle in c#.net windows application

Question

Dear Sir

I am having certain controls in which there is a pictureBox(i.e in c#.net windows application).Now I am putting those controls values in a DataGridView.At last while I will click on the Save button the Data along with  respective image should be store in Oracle.

So my query is how to save the image from DataGridView to Oracle.

Thanking you
Regards
Kalandi Charan Acharya