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How to generate License Key in Web Application?

Posted By: Rahamath     Posted Date: March 06, 2013    Points:5   Category :ASP.Net
Hi all,
I want to host my Asp Dot NET web application project in to my client's server. The web application project should have a License key that will be valid for certain years. After that particular year ends the application should expire if not renewed before the expired date..could you please tell me how to achieve this.I am feared that he may crack the DLL with dot net reflector or any de complier to find the logic If I have that in CS file. So could you please help me to find the best way to achieve this and how to achieve this in detail?

Author: govinda alwani             
Posted Date: March 08, 2013     Points: 20   

You can use dotfuscator to make your dll UN-reversible.
and for expiration i thing you have to function that check for expiration. in webapplication you can so it in global.aspx.

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