How to get weight from scale machine via serial port in ASP.NET C#

Question

1.00/5 (1 vote)

See more: (untagged)

I have one scale weight machine and i want to read data from this scale machine and get data in the textbox

What I have tried:

I have tried one sample application but every time exception shows as access denied and DataReceived method does not call

Posted 26-Dec-18 0:53am

tatva pct107

Updated 26-Dec-18 2:41am

Add a Solution

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Rajesh Anuhya · Answer 1 · 2018-12-26T02:14:00

There is no way to directly access the local machine from the web browser. For security reasons browsers have very limited access to the machines resources.

Either you need to depend on the application / service to done the reading job. Save this in database/file where your site can access.

There may be other alternatives. I am good see them here.

Thanks
--RA

Dave Kreskowiak · Answer 2 · 2018-12-26T02:42:00

Solution 2

Assuming the scale is attached to the client machine and not the server...

From your ASP.NET code, which runs entirely on the server, you don't.

From javascript code that runs in the browser on the client, you still don't. Javascript can only take to web servers. That's kind of limiting, but there's nothing that says the web server cannot be running on the client machine. So, to take advantage of that...

You have to write an application, with no UI, that gets installed and runs on the client machine. This app is what will talk to the scale and get values from it. It will also have a second side to it that is a web server. This server can accept commands and return data, like weight information, to whatever app calls it, like your client-side javascript code running in a browser.

Posted 26-Dec-18 2:42am

Dave Kreskowiak

Comments

Member 15922520 24-Jun-23 5:01am

no solution

Member 15922520 24-Jun-23 5:01am

trouble for asp.net webapplication coud not connect the weight machine

Dave Kreskowiak 24-Jun-23 9:37am

Well, it is a solution. It's not my fault you cannot get copy'n'paste code into your own project.

I told you what you have to do. It's up to you to do the homework to actually do it.

Dave Kreskowiak 24-Jun-23 9:41am

Where is the scale connected? To the client or the server?

If it's connected to a client machine, go re-read my post from 5 years ago. It still stands today. You have to write a service application to talk to the scale using whatever interface the scale exposes. The service is also going to have to implement a web server so your client-side javascript running in your browser window can talk to the service to get data.

If you don't like that answer, sorry. That's entire on you.