Server=. Database=kashanSchools;Trusted_Connection=True;

Data Source=(local);Initial Catalog=kashanSchools;Integrated Security = true

var bar;
typeof bar; // "undefined"

if(jwtToken == null) // will check if the value is undefined or null.
{
  alert('you need to login first');
  return;
}

{
    "compileOnSave": true,
    "compilerOptions": {
     },
    "exclude": [
    ]
}

PM> update-package T4MVC -Reinstall -ProjectName MVC5.Web
PM> update-package Microsoft.AspNet.Mvc -ProjectName MVC5.Web
PM> update-package Microsoft.Web.Infrastructure -ProjectName MVC5.Web

Update-Package -Safe

Loading the include file 'T4MVC.tt.hooks.t4' returned a null or empty string. The transformation will not be run.

// Return an empty string to signify success
return Content("");

public static void RegisterRoutes(RouteCollection routes)
{
    routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
    routes.IgnoreRoute("{*browserlink}", new { browserlink = @".*/arterySignalR/ping" });
    //...
}

<appSettings>
    <add key="vs:EnableBrowserLink" value="false" />
</appSettings>