Trigger when clicked then button :
triggerServerEvent('GetMoney',localPlayer)
and tigger in server-side :
addEvent('GetMoney',true)
addEventHandler('GetMoney',root,function()
triggerClientEvent(source,'_setPlayerMoney',source,getPlayerMoney(source))
end
)
source = if you want send to source.
Now add trigger in client-side :
addEvent('_setPlayerMoney',true)
addEventHandler('_setPlayerMoney',root,function(Money)
guiGridListSetItemText (mgrid, guiGridListAddRow(mgrid),1, Money, false, false )
guiGridListSetItemColor (mgrid,guiGridListAddRow(mgrid),1, 0, 255, 0 )
end
)
^ I think this you want.