how to get unique id of computer in c#

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i want to know which computer is using my application.
that is i have a delete option in my application and i want to know that "if any one has deleted the data from my application from any other system then its ip address or some unique id should be captured".I know that ip address is not unique across the world then what i should capture to know which computer has used my application.

Posted 7-Jan-14 0:32am

Member 8388026

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ravikhoda · Answer 1 · 2014-01-07T00:35:00

Solution 1

Try and use macaddress of the system.

C#

public static PhysicalAddress GetMacAddress()
         {
         foreach (NetworkInterface nic in NetworkInterface.GetAllNetworkInterfaces())
             {
             // Only consider Ethernet network interfaces
             if (nic.NetworkInterfaceType == NetworkInterfaceType.Ethernet &&
                 nic.OperationalStatus == OperationalStatus.Up)
                 {
                 return nic.GetPhysicalAddress();
                 }
             }
         return null;
         }

Posted 7-Jan-14 0:35am

ravikhoda

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Member 8388026 7-Jan-14 6:51am

ya after getting the PhysicalAddress then how can i trace that computer...

ravikhoda 7-Jan-14 7:29am

best way is to store the mac address in the data base and set some flag to true or false based on your logic. like

ID - Mac address - DataFlag

1 - abc - 1 (for delete)
2 - xyz - 0 (not delete)

or tell me what other requirement you have ?

Usha Sanjee 20-Jun-14 2:59am

it giving me the mac address of my system not the client