By using .dll file how to communicate with biometric machine in ASP.NET C#

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I have .dll file downloaded from internet. I want to use it to connect biometric machine to take output generated by that machine like who punch it and at what time etc.
i have a website and i want to connect it to that biometric so i can manage Payroll operations on it.

What I have tried:

I search on internet but i'm not getting a referencing example for that i can use to build my site

Posted 31-Oct-18 6:21am

Member 14039535

Updated 31-Oct-18 7:32am

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Mehdi Gholam 31-Oct-18 13:32pm

Consult the dll's documentation.

F-ES Sitecore 1-Nov-18 7:14am

Using biometric devices from an asp.net site is one of the most frequently asked questions there is so I find it hard to believe you couldn't find any information when you googled.

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#realJSOP · Answer 1 · 2018-10-31T07:33:00

Solution 1

Contact the machine's manufacturer and ask for guidance.

Posted 31-Oct-18 7:33am

#realJSOP

Niraj Gajjar · Answer 2 · 2018-10-31T19:02:00

Solution 2

You can use common dll for biometric devices called

zkemkeeper.dll

Zkemkeeper.dll Download - DLL 4 Free[^]

Sample Code is here : C# ZKTeco Biometric Device Getting Started[^]

Posted 31-Oct-18 19:02pm

Niraj Gajjar

Updated 31-Oct-18 20:18pm