how to insert data from grideview to the database

Question

I have two table 1 cart and 2 order info

 

1 cart table

 

a_id (primary key)

u_id (user_id) (foreign key)

d_id (desing id) (foreign key)

d_code

d_name

d_category

body_part

price

image (URl)

 

2 orderinfo

 

o_id (primary key)

d_id (foreign key)

u_id (foreign key)

o_code

o_name

o_category

o_part

o_price

o_date

image (URl)

status (Pending / completed)

 

above are the table as per the website

issue

i want to take the data from gridview to my orderinfo table.the gridview show the data from the cart table .as i click on button the data should be insert to the orderinfo table

i use asp.net with c# Language in visual studio 2010 and microsoft sql server2005