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Editorial Team
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Asked: 2026-05-31T14:11:01+00:00

I am follwing this dom-based routing for kicking off specific javascript on each page

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I am follwing this dom-based routing for kicking off specific javascript on each page
http://viget.com/inspire/extending-paul-irishs-comprehensive-dom-ready-execution

So need to write a unique data attribute into the tag each time a page loads

e.g. 

<body data-controller="Home" data-action="Index">

What’s the best place to put this logic for a razor view?

The body tag is in my masterpage (_layout.cshtml) file. And it needs to dynamically render that on each page

Was thinking of overriding OnActionExecuting in a base controller and have that inject the current controller and action name into the ViewBag. Then referencing the ViewBag properties in my _layout.cshtml

Does that make sense or is there a more appropriate place for this functionality?

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1 Answer

  1. Editorial Team

    You don’t need to pass the data through ViewBag (although it could work), instead of you can access the current controller and action through the ViewContext property in any View (even in Layout)

    <body 
   data-controller="@(ViewContext.RequestContext.RouteData.Values["controller"])" 
   data-action="@(ViewContext.RequestContext.RouteData.Values["action"])">

    For setting other “global properties” on the ViewBag the OnActionExecuting (maybe combined with a base class or using a custom a filter) is the right place.

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