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How to read a Map object from a visualforce page?



I need some help here.


Is there a way I can get information from a Map[String, List<SObject>] from my visual force page?


I mean. Is there a way I can write a repeat tag, in order to go throuht the a list, depending on an identifier. 


Let my code talk for me. This is how I image it:




<apex : repeat value='{!idList}' var='id'>

<apex : repeat value="{!map.get(id)}" var='x'>

 <apex : outputLabel value='{!x.Name}' />

</apex : repeat>

</apex : repeat>



Thanks a lot for your any help you can provide.



You have to use Wrapper Class to build a custom list which will have one key value and then a set of related values/objects as you require!



Could you please provide an example on this?