How to select all check box in Form by click button

[vaibhav2015]

Hi,
I have multiple checkbox on each row in form. I want to select all check box on single click and click "OK" on combobox and save.

can you advice how I can do that on Form?

 

[Ranman256]

Make vb code to avtivate each box....

Sub btnAll_click()
Chk1= true
Chk2=true
Chk3=true
End sub