Show selected/highlighted text on user/other screen

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So I Got project in which the client wants me to develop a web application on asp.net MVC in which the client wants something that is new to me so I need your help.

So my client wants a web application in which there is instructor and instructors have some students. so there are many instructors and many students.

So he wants that both instructor and user both log in at the same time from there own separate system/pc and when the instructor open any book/pdf same book/pdf automatically open on the student screen and when the instructor goes to specific page same page open on the student screen and when the instructor highlight/select the word or line same line or word highlight at the student screen.

Hope you understand my problem. I need some reference or guidance because I never work on such thing thanks

What I have tried:

So I Got project in which the client wants me to develop a web application on asp.net MVC in which the client wants something that is new to me so I need your help.

So my client wants a web application in which there is instructor and instructors have some students. so there are many instructors and many students.

So he wants that both instructor and user both log in at the same time from there own separate system/pc and when the instructor open any book/pdf same book/pdf automatically open on the student screen and when the instructor goes to specific page same page open on the student screen and when the instructor highlight/select the word or line same line or word highlight at the student screen.

Hope you understand my problem. I need some reference or guidance because I never work on such thing thanks

Posted 26-Sep-19 21:06pm

tyson Hamda

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OriginalGriff 27-Sep-19 3:20am

We are more than willing to help those that are stuck: but that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for us to do it all for you.

So we need you to do the work, and we will help you when you get stuck. That doesn't mean we will give you a step by step solution you can hand in!
Start by explaining where you are at the moment, and what the next step in the process is. Then tell us what you have tried to get that next step working, and what happened when you did.

tyson Hamda 27-Sep-19 6:37am

bro, I think you just write this comment without reading my question completely.
First of all, I don't ask for a full solution or step by step guide and in the last line of my question I ask for reference or guidance which mean I never work on this if you have any article or a video from which I get the basic concept of such thing it will very helpful. thanks

OriginalGriff 27-Sep-19 6:48am

So what have you done for yourself to try and solve this?
Where are you stuck?
What help do you need?

tyson Hamda 27-Sep-19 7:48am

man I search for it and I found that this type of thing is possible with ASP.net signal hub API and I am working on it. the only purpose for posting this question is to get an opinion from people. I want to know if there is any other method to do this type of thing. I just want to any fast and better way to do this thing.

F-ES Sitecore 27-Sep-19 6:07am

I'm not sure you're going to be able to know when the user is navigating the PDF file, similarly I don't think you'll be able to control the PDF file on the other machine either. The only way you have a hope of doing this is if you convert the PDF file to html and show the contents as html on your site. That way you can inspect and control it via javascript. That's probably the first problem I'd want to tackle as if you can't get that working then the task is impossible. This is not a trivial thing you are doing, it is very complicated and it's going to be hard even for an advanced coder.

To preempt your next question, google "c# convert pdf file to html"

Richard Deeming 27-Sep-19 8:03am

Maybe a custom PDF viewer using PDF.js[^], combined with something like SignalR[^] to push client-side events from the instructor to the students.

But I agree with F-ES Sitecore: it's going to be extremely complicated.

ZurdoDev 27-Sep-19 10:49am

I would just purchase one of the existing products out there.

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