How to connect biomatric device to web application in ASP.NET with C#

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i want to conncet biomatric device to web application..and read data from biomatric device by webservice.and which .dll file use for read biomatric device data..

What I have tried:

nothing i try..but i need suggestion plz help me..i need to know whole process..how biomatric device connect and how to authenticate..how to read data using webservice and use that in web application

Posted 6-Jul-17 18:23pm

Member 13296293

Updated 10-Jul-17 3:14am

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F-ES Sitecore · Answer 1 · 2017-07-06T22:39:00

How can anyone possibly answer this question when we have no idea what "device" you are using, what API it has, what it supports and so on? It doesn't matter how many times you ask this question you are not going to get a meaningful reply. The only thing I'll say is that it is highly likely it won't be possible to do this using asp.net as (as you've been told before) the server can't access devices attached to the client machine.

Patrice T · Answer 2 · 2017-07-06T22:49:00

Solution 2

By principle, webapps don't have access to client file system or client hardware.
That is basic security to protect from malware.

Quote:
i need to know whole process

Short answer: The whole process is 'Niet'.

Posted 6-Jul-17 22:49pm

Patrice T

Updated 6-Jul-17 23:08pm

v2

Rajesh Pandya · Answer 3 · 2017-07-10T03:14:00

Solution 3

You cannot directly connect/communication with the client machine hardware using web application. But here's some approach you can try: Use ActiveX component or Create a Windows Service(WCF, WebAPI etc..).

It communication like: Web Application <---> Windows Service <---->Hardware

Posted 10-Jul-17 3:14am

Rajesh Pandya

Mahesh Jangid · Answer 4 · 2017-07-12T10:39:00

Solution 4

Device manufacturer provides SDK. You will have to use it to communicate with Biometric device. e.g. Essel provides SDK with their devices to develop software but you cannot usr same SDK with other supplier's device.
So first of all get SDK for device and then study it's complete usage.

Posted 12-Jul-17 10:39am

Mahesh Jangid

Updated 12-Jul-17 10:54am