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Hello,

I made an apllication using c# in vs08, I want to add feature like serial key and trial version in the setup. I added the Customer Information and modified its SerailNumber Template. But problem is that when I modified it pattern like <^^%#^ - ^^^^^ - ^%%%^ - ^%^%% - ^%^^^> then it comes in different textboxes, how i can impliment trial and serial number?
Can anybody show me the way ?

Regards,
Arshad
Posted 30-Jan-11 22:34pm
Edited 31-Jan-11 1:05am
DaveyM6980.3K
v3
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Solution 2

What you are talking of is a Licensing option in your software.
There are different ways to achieve this:
1) encrypted license files that contains the expiry dates etc.
2) encrypted license keys held in the registry
3) challenge/response mechanism which require an internet connection
4) probably others.......

Try: License Key Generation[^] or: How can I create a Product Key for my C# App[^] or: c# Licensing[^]
Couple of them are in C# which can be seen to start on Vb.NET
Also,
Cryptography 101 for the .NET Framework[^]
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Comments
SAKryukov at 31-Jan-11 10:41am
   
Good, a 5.
--SA
Manfred R. Bihy at 18-Feb-11 4:17am
   
Good one, 5
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Solution 3

For a commercial alternative - see CryptoLicensing - it supports a lot of scenarios including trial, full, activated, machine-locking, etc.
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v2
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Solution 4

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Comments
Richard MacCutchan at 18-Feb-12 3:25am
   
Make your links clickable, and add some explanatory text.
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Solution 1

You can see this links
Click
Click
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