RadRibbonbar visibile dynamically

[Masoud]

Hi Dear

I have Radribbonbar with 3 tab  and every tab have multiple group and every group

have multiple radbuttonelement.

i want to control them dynamically i add to db permissions and read them for example like this:

menu1  true

menu2 false

how can i read and apply hide or visible in radribbon bar?