how to print only the checked rows from a datagridview in c#

I have a Datagridview it has a checkboxcolumn! when the data is loaded for standard all rows get checked! but i need to uncheck some of them and so send each column  value to a  3 vars and print them!

is it possible?

Exemple:

--------------------------------------------------------------
ColumnCheckBox     | Column1      | Column2        | Column3
--------------------------------------------------------------
checked            | 1251000014   | portraitx      | U$ 125.00
checked            | 1251000021   | notebooky      | U$ 899.96
unchecked          | 1265888512   | tabletx        | U$ 899.96
checked            | 1251444251   | iphoness       | U$ 566.26
unchecked          | 1255222142   | opticalreader  | U$ 99.99

I want to get the value of a first CHECKED ROW  and divite in 3 vars being one to each column  and print it, after i need to clean these 3 vars and add the value of the NEXT CHECKED ROW again and print it. till  it print all CHECKED ROWS!

thankx in advance!