how to call vb.net function from java script function

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i want to call vb.net function from javascript function
i made this

<script type="text/javascript">
        function test(imgPath) {
            alert(imgPath);
            
            <%deleteImg(imgPath) %>
        };
    </script>

but i had error

VB

Error   1   'imgPath' is not declared. It may be inaccessible due to its protection level.

any help ?

Posted 1-Jul-14 11:38am

Heba Kamel

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[no name] 1-Jul-14 17:43pm

The error message is pretty self explanatory is it not? Where is "imgPath" declared?

Sergey Alexandrovich Kryukov 1-Jul-14 20:00pm

There is no such thing as "Java script": Java is not a scripting language. Javascript you are using has nothing to do with Java. (And, actually, nothing to do with VB.NET).
—SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2014-07-01T14:04:00

In the Web world, Javascript never ever call server-side methods, as it works under the browser, on client side, and ASP.NET works on the server side only. Client side invokes server-side script only if an HTML request is sent. Therefore, you need to post something. You can do it using Ajax (and one way of doing it is using jQuery .ajax()):
http://en.wikipedia.org/wiki/Ajax_%28programming%29[^],
http://api.jquery.com/jquery.ajax[^].

—SA