Allow custom values from JS to be returned from renderToString in SpaServices #1312

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fergalmoran · 2025-08-09T17:19:39Z

fergalmoran commented

2025-08-09 17:19:39 +00:00

Originally created by @loune on 10/15/2016

I think a useful feature would be to allow values other than the rendered html to be passed back from the renderToString JavaScript context to the .NET world. For example, the JS might provide a page title, which could then be rendered by the razor layout page. I think the ViewBag would be a good place for this data sharing.

For example, in boot-server.tsx

            resolve({
                html: renderToString(app),
                globals: { initialReduxState: store.getState() },
                viewBag: {
                    title: pageTitle
                }
            });

And in _Layout.cshtml

<html>
  <head>
    <title>@ViewBag.title</title>

Keen for thoughts and comments.

*Originally created by @loune on 10/15/2016* I think a useful feature would be to allow values other than the rendered html to be passed back from the renderToString JavaScript context to the .NET world. For example, the JS might provide a page title, which could then be rendered by the razor layout page. I think the ViewBag would be a good place for this data sharing. For example, in boot-server.tsx ``` resolve({ html: renderToString(app), globals: { initialReduxState: store.getState() }, viewBag: { title: pageTitle } }); ``` And in _Layout.cshtml ``` <html> <head> <title>@ViewBag.title</title> ``` Keen for thoughts and comments.

fergalmoran closed this issue

2025-08-09 17:19:39 +00:00

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Reference: github/JavaScriptServices#1312