How To Identify Submit() That Arrived From Javascript Method(not Button) In Asp.net

I have a list of users that in the end of each line in the table I added two links('href'): one for 'update' user and secend for 'delete' user. So for enable that I added a call to

Solution 1:

Why not puting another hidden input value :

<inputtype="hidden" name="txtJavascriptMode"id="txtJavascriptMode" value="">

then in your javascript code :

<script>functionexpertToDelete(expertID) {

        document.getElementById('expertID').value = expertID;
        document.getElementById('txtJavascriptMode').value = 'true';
        document.getElementById('deleteExpert').submit ();
    }
</script>

and in your serverside you can checkout

if(Request["txtJavascriptMode"] == "true")
{}