datagrid view print and print preview

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C#

WinForms

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