I have one vf page where i am displaying records of custom object in page block table and using <apex:commandLink> to made record name as link.
using <apex:param> im passing parameters i need. when i click on that click, it is redirecting me to new page where i can able to see details of that record bt im unable to see that record id in the url of new page.
can anyone help me how to solve this ?

can anybody say how to restrict users to enter only '10' digit Mobile number in <apex:inputtext> field in vf page & to display error message if they enter an incorrect mobile number???