Passing Controller variable to JavaScript file in ASP MVC

Question

I am new to ASP MVC I have retrieved some data from database. I want to pass that variable to JavaScript file.

my controller code :

 using (issue_management_systemEntities db = new issue_management_systemEntities())
        {

            var lineInfo = db.line_supervisor.Where(x => x.supervisor_emp_id == 1).FirstOrDefault();
            var mapInfo = db.line_map.Where(y => y.line_id == lineInfo.line_line_id).FirstOrDefault();
            return View();
        }

I want to pass mapInfo.map variable to js file as this

var mapext = 'mapInfo.map'

how can I do that?

If you have @model mapInfo, you can try var mapext = '@Model.map' (make sure to return View(mapInfo) first). Or else assign to a ViewBag and use it like var mapext = '@ViewBag.map'. — Tetsuya Yamamoto
– Tetsuya Yamamoto, Commented Oct 10, 2018 at 3:41
Possible duplicates of Asp.net mvc passing a C# object to Javascript, stackoverflow.com/questions/36756829/… & stackoverflow.com/questions/13419676/…. — Tetsuya Yamamoto
– Tetsuya Yamamoto, Commented Oct 10, 2018 at 3:44

Jerdine Sabio · Accepted Answer · 2018-10-10 03:52:34Z

0

Since you're not binding a model to the view, you could store the data in a viewbag;

ViewBag.mapInfo = db.line_map.Where(y => y.line_id == lineInfo.line_line_id).FirstOrDefault();

Then on the script part of your view file;

var mapext = '@ViewBag.mapInfo';

answered Oct 10, 2018 at 3:52

Jerdine Sabio

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