How deeply does Pro ASP.NET Core 7, Tenth Edition cover RenderBody?

Explains inheritance, layout selection, and section boundaries, but does not descend into Razor rendering internals.

RenderBody

As explained in Pro ASP.NET Core 7, Tenth Edition

RenderBody is a Razor layout method that inserts a view's content not assigned to a section into the rendered response.

RenderBody is the insertion point in a Razor layout for content unique to the current view. Shared markup stays in _Layout.cshtml; each view contributes the remaining, unsectioned markup at this call. section 22.4

The method is inherited from RazorPage<T>. A view selects the layout by assigning Layout = "_Layout"; the Razor engine searches the controller and Shared view folders for the matching file. section 22.4

Place view content inside shared markup

_Layout.cshtml can provide the document shell and call RenderBody where page-specific output belongs:\n\n<body>\n <h6>Shared View</h6>\n @RenderBody()\n</body>\n\nA view using Layout = "_Layout" can then contain only its own table or other page markup. Content declared with @section is different: RenderSection places that named fragment, while RenderBody receives everything else. section 22.4 section 22.4.4

Listing 22.9 The contents of the _Layout.cshtml file in the Views/Shared folder

<!DOCTYPE html>
<html>
<head>
   <link href="/lib/bootstrap/css/bootstrap.min.css" rel="stylesheet" />
</head>
<body>
   <h6 class="bg-primary text-white text-center m-2 p-2">Shared View</h6>
   @RenderBody()
</body>
</html>

Inspect the complete layout listing to see RenderBody positioned between shared HTML elements. section 22.4

How Pro ASP.NET Core 7, Tenth Edition covers it

Cover of Pro ASP.NET Core 7, Tenth Edition

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ASP.NET Core in Action, 3eRenderBody is the Razor layout method that renders the body content supplied by a child view at its invocation location.

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Related concepts

layoutused by · A layout is the arrangement and positioning of content or interface elements within a page, screen, or other visual area.
Razor layoutused by · A Razor layout is a reusable template that defines shared page structure around the content of individual Razor views.

This explainer was generated by Manning's knowledge graph from the text of Pro ASP.NET Core 7, Tenth Edition. The section links point to the parts of the book it draws on.