Make Groupbox's controls readonly when is radiobutton clicked in vb.net

I have many textbox inside a group box so when radio button is clicked i want to make these controls readonly. Is it possible,and again on another radio button click again i wa开发者_运维知识库nt to make readonly false in vb.net.

In the onclick event for your radio button add code that sets your groupbox.IsEnabled to false. That should make the control readonly.