Buttons are not showing up?

First of all yes yes i know you saw my last post yesterday but i didn’t to re edit the post or just leave it and yes i left it

Ok so i been trying to make my own Admin panel and i fixed a lot of problems from facepunch (thanks) but i still have one more problem

My buttons are not working i am thinking it is there size but no… There not even showing up

Here is what i put plus i don’t think i put the runconsole command right so if you guys can help me with that to… Lol thanks

--[[Button 1]]--
b = vgui.Create( "DButton", p )
b:SetText( "Noclip" )
b.DoClick = function()
   RunConsoleCommand( "noclip" )