I need to validate a query string in asp.net [closed]

I need to validate a query string in asp.net [closed]

References

Reference NO 1

http://stackoverflow.com/questions/15165996/i-need-to-validate-a-query-string-in-asp-net

Reference NO 2

http://msdn.microsoft.com/en-us/magazine/cc163462.aspx

Reference NO 3

http://www.aspfree.com/c/a/asp-net/encrypt-querystring-in-asp-net-3-5-using-vb-net/

Reference NO 4

http://www.codeproject.com/Articles/31994/Beginners-Introduction-to-State-Management-Techniq

Reference NO 5

http://www.dreamincode.net/forums/topic/234664-potentially-dangerous-requestform-value-was-detected-from-the-client/

Reference NO 6

http://www.hanselman.com/blog/ExperimentsInWackinessAllowingPercentsAnglebracketsAndOtherNaughtyThingsInTheASPNETIISRequestURL.aspx

Reference NO 7

http://csharpdotnetfreak.blogspot.com/2011/09/querystring-in-aspnet.html

Reference NO 8

http://www.mikesdotnetting.com/Article/122/