@section not rendering in Razor - MVC C# .NET 4.5

Question

I'm trying to output some additional <head> metadata in views which are rendered using Html.RenderPartial() via a shared Partial View.

My _Layout.cshtml looks like this:

<head>
    //...
    @if (IsSectionDefined("AdditionalMeta")) { 
        RenderSection("AdditionalMeta"); 
    }
    //...
</head>

...My shared view (_Title.cshtml) looks like this:

@model TitleViewModel

@section AdditionalMeta {
    @if (Model != null && Model.Title != null)
    {     
        //additional <meta> tags using Model properties here  
    }
}

//...other irrelevant code

...And Index.cshtml view implementing _Title.cshtml:

@model TitleViewModel

@{
    Html.RenderPartial("_Title", Model);
}

This outputs nothing though as IsSectionDefined("AdditionalMeta") in _Layout.cshtml returns false - I've tried moving the "AdditionalMeta" @section to Index.cshtml instead - this makes IsSectionDefined("AdditionalMeta") in _Layout.cshtml return true but gives the following error:

The following sections have been defined but have not been rendered for the layout page "~/Views/Shared/_Layout.cshtml": "AdditionalMeta".

Am I missing something or approaching this the wrong way? Thanks!

EDIT: Faby's solution is correct, provided that the "AdditionalMeta" @section is declared in Index.cshtml rather than _Title.cshtml

faby · Accepted Answer · 2014-11-24 14:21:51Z

1

did you try with just

RenderSection("AdditionalMeta", false);

instead of

@if (IsSectionDefined("AdditionalMeta")) { 
    RenderSection("AdditionalMeta"); 
}

refer here for documentation

answered Nov 24, 2014 at 14:21

faby

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2 Comments

globetrotter Over a year ago

yes, I initially had @RenderSection("AdditionalMeta", required: false)

globetrotter Over a year ago

your solution is correct provided that the "AdditionalMeta" @section is declared in Index.cshtml rather than _Title.cshtml

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