Showing custom warning message on an entity form in CRM

Hi,

I was searching for a way to show custom warning message in an entity’s form and came across these two helpful posts

For CRM 4 :-

http://social.microsoft.com/Forums/br/crmdevelopment/thread/1791ab40-a1e6-4099-bb4b-6e52a9a45c18

For CRM 2011 : -

http://crm2011wiki.wordpress.com/2012/04/16/showing-custom-alerts-in-notifications-area/

Hope it helps.