Session Boolean Set Get Syntax?

I'm always looking for ways to shorten code while still maintaining function.

Q. Is there any functional difference between the two examples concerning set/get boolean in a Session?

[store boolean value]
   bool IsLightOn = true;
   Session["IsLightOn"] = IsLightOn;  

[get boolean value]
   bool IsLightOn;  
   if (Session["IsLightOn"] != null)  
       IsLightOn = (bool)Session["IsLightOn"];

- or -

[store boolean value]
   Session["IsLightOn"] = true;  

[get boolean value]
   if (Session["IsLightOn"] != null)  
       bool IsLightOn = (bool)Session["IsLightOn"];
pointemanAsked:
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BuggyCoderCommented:
No there is no difference, in both the cases bool is boxed at the time of entering into session and unboxed when it is retrieved.
The only difference is however you are using a variable to store bool to session in first case.

You should ideally declare a variable if you know you are going to use it more than once in you code....
In your case Session["Value"]=true would be good enough;
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yogsoftCommented:
Well said @BuggyCoder. Also memory allocation can be avoided for variable in this case.
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pointemanAuthor Commented:
Thx, just wanted another EE opinion...
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