STRING Line break via Property file (Language)- NOT WORKING in Adobe Flex with Asp.net

HI Team,
 
In Application Adobe Flex & Asp.Net
 
IN Adobe Flex : I tried many times for line break via Property file with using htmltext & text both but after all i unable to change the string in line break,
 
I used <br/>,\n,\r\n and Build Flex and then Run the Asp.net Application but not string is not line break. Please help.
 
Ex.
(Adobe Flex)IN A.Property File Code: HELP : Help <br/> for the same.
 
IN Contact.mxml :
Hide   Copy Code
<mx:VBox height="100">
  <mx:Label fontWeight="bold" htmlText="{resource.getCoreString('HELP')}"/>
  </mx:VBox>