I have to access session variable from javascript file

I am using below code to access from javascript,

var sessionValue = '<%=Session["username"]%>'
            alert(sessionValue)

it is working well when the script function is placed inside the aspx page...but when I use the same code in .js file it is not working

I have seen all the related answers, nothing is useful for me, so don't mark it as duplicate

I have to access session variable from javascript file

I am using below code to access from javascript,

var sessionValue = '<%=Session["username"]%>'
            alert(sessionValue)

it is working well when the script function is placed inside the aspx page...but when I use the same code in .js file it is not working

I have seen all the related answers, nothing is useful for me, so don't mark it as duplicate

• javascript
• jquery

Share Improve this question Follow edited Dec 27, 2013 at 13:41 Yagnesh Agola 4,65566 gold badges3838 silver badges5050 bronze badges asked Dec 27, 2013 at 13:27 Kevin MKevin M 5,50644 gold badges4646 silver badges4646 bronze badges 4

• because Session is not available in .js file. It can be access from your apsx page only. – Yagnesh Agola Commented Dec 27, 2013 at 13:30
• This should help stackoverflow./questions/1343801/… – geedubb Commented Dec 27, 2013 at 13:30
• @Shahe actually you could write an HTTPHandler which will dynamically write the .js file – geedubb Commented Dec 27, 2013 at 13:31
• Use ajax request from js file to load session variable. – dima-hx Commented Dec 27, 2013 at 13:32

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2 Answers 2

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i think try to write your session value to a hidden html element and read value of this hidden element with javascript as follow :

<input type="hidden" id="session" value="'<%=Session["username"]%>'">

at your js:

var sessionValue =document.getElementById("session").value;

Depends on what is your scripting languauge in server side, if it is JSP or PHP following should work.

var sessionValue = "'"+<%=Session["username"]%>+"'"
alert(sessionValue)