How to make a variable fixed permanently in C#?

How to make a variable fixed permanently in C#?

References

Reference NO 1

http://stackoverflow.com/questions/15200741/how-to-make-a-variable-fixed-permanently-in-c

Reference NO 2

http://msdn.microsoft.com/en-us/library/orm-9780596521066-01-03.aspx

Reference NO 3

http://msdn.microsoft.com/en-us/library/office/aa140074(v=office.10).aspx

Reference NO 4

http://www.dotnetperls.com/static-method

Reference NO 5

http://weblogs.asp.net/bleroy/archive/2004/08/03/Don_2700_t-redirect-after-setting-a-Session-variable-_2800_or-do-it-right_2900_.aspx

Reference NO 6

http://en.wikibooks.org/wiki/C_Sharp_Programming/The_.NET_Framework/Console_Programming

Reference NO 7

http://hugogiraudel.com/2012/12/20/tetris/

Reference NO 8

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