twain web application sample code

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hello
hello I am looking for sample code twain web application

this win sample code

http://www.codeproject.com/Articles/1376/NET-TWAIN-image-scanner

I want this web api

VB

http://www.codeproject.com/Articles/10518/NET-Web-Twain

javascript:window.open('file:///C://TZTwain/TZTwain.exe',1); security problems..

and I do not want to use 3rd party libraries

thanks

Posted 10-Jul-12 23:04pm

anatolium

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Sandeep Mewara 11-Jul-12 6:01am

Not clear. You already have an article link for web twain, what more are you seeking? Can you elaborate on what is your issue and where are you stuck?

ZurdoDev 11-Jul-12 14:52pm

What do you want?

anatolium 11-Jul-12 16:11pm

hello I'm looking for projects for the web twain
I would like Twain web scanner project(sample code)
thank you

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Stephen Hewison · Answer 1 · 2012-07-16T05:29:00

The problem is that the web browser doesn't and shouldn't have permission to access the drivers required for the task you're trying to complete. I'd be annoyed if I went to a website and it started using my scanner.

There may be 3rd party Active X / Java Applets which would do it, but you're unlikely to achieve a such a thing in the browser with .Net.

As you seem to be a .Net developer I'd suggest creating a Windows application to do the scanning. Following the TWAIN example you've shown but use a ClickOnce deployment so it can be launched from your website.

Then modify your scanning application to upload the scanned image, via a web service, to your web server.