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VempallyVempally 

Overriding a Page for Some, but not All, Users

Hi Everyone,

I've found the code for this at the following link,
http://developer.force.com/cookbook/recipe/overriding-a-page-for-some-but-not-all-users

but not able to understand the following "IF statement"
  
<apex:page action=
  "{!if($Profile.Name !='System Administrator', 
	null, 
	urlFor($Action.Account.Tab, $ObjectType.Account,
	null, true))}"
  standardController="Account" 
  recordSetVar="accounts" 
  tabStyle="Account">

  <!-- Replace with your markup -->  
	
  This page replaces your Account home page for 
  all users except Administrators.
</apex:page>

can anyone explain me what is happening in IF statement...
Iam a NEWBIE...

regards,
Suresh.
Best Answer chosen by Vempally
Mahesh DMahesh D
Hi Suresh,

Here first it will check with the current logged-in user's profile is System Administrator or not,
If the condition is true that means the current logged-in user not a sys admin then returns null means it will display the cutten VF page as a result.
If the condition is false that means the current logged-in user is a Sys Admin then it will display the Standard Accoun's tab.

Please let me know if it helps.

Regards,
Mahesh