DataGrid View Print and priint preview

Question

hi,


DataGridView having coloumn1,coloumn2 up to coloumn5. and rows 4 only.
My First Question
 if i checkbox is checked show all coloumns else show 
only coloumn1 only,balance scroll moving.

2nd Question
how to print datagridview coloumn print and print preview .if user enterd text in coloumn1 only then print coloumn1 enterd text only ,if user entered text in two coloumns then print 2 coloumns

plz help me for code