In this article I will explain with an example, how to disable mouse right click using JavaScript in ASP.Net Core (.Net Core 8) MVC.
Note: For more details on ASP.Net Core (.Net Core 8) MVC, please refer my article ASP.Net MVC Core Hello World Tutorial with Sample Program example.
 
 

JavaScript Script to disable Right Click

Inside the oncontextmenu event handler, the event is cancelled by returning FALSE.
<script type="text/javascript">
    //Disable the Context Menu event.
     document.oncontextmenu = function () {
        return false;
    };
</script>
 
 

Controller

The Controller consists of following Action method.

Action method for handling GET operation

Inside this Action method, simple the View is returned.
public class HomeController : Controller
{
    public IActionResult Index()
    {
        return View();
    }
}
 
 

Disabling Mouse Right Click using JavaScript in View

You will need to place the following script in HEAD section of your View (.cshtml) or Layout page.
@{
     Layout = null;
}
 
<!DOCTYPE html>
 
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Index</title>
    <script type="text/javascript">
        //Disable the Context Menu event.
         document.oncontextmenu =  function () {
            return false;
        };
    </script>
</head>
<body>
    <h1>Try to Right Click on this Page.</h1>
</body>
</html>
 
 

Screenshot

ASP.Net Core: Disable Mouse Right Click using JavaScript
 
 

Browser Compatibility

The above code has been tested in the following browsers.
Microsoft Edge   FireFox  Chrome  Safari  Opera
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Demo

View Demo
 
 

Downloads

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