Is there any session manager where I can save objects and reuse in the same session?
Look into the global cache: msdn.microsoft.com/.../aa891830.aspx
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Is it unique to each user? or my cache values are going to be available to every user?
If you use the new SysGlobalObjectCache it's across all users.
Check out blogs.msdn.com/.../using-sysglobalobjectcache-sgoc-and-understanding-it-s-performance-implications.aspx