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Utpal Vishwas

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I am Utpal Vishwas from Uttar Pradesh. Have completed my B. Tech. course from MNNIT campus Prayagraj in 2022. I have good knowledge of computer networking.

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Aryan Kumar

Aryan Kumar

25-Oct-2023

Layout views are a fundamental concept in ASP.NET Razor views and are used to define the overall structure, design, and common elements of web pages in an ASP.NET Core application. They provide a consistent layout for multiple pages within a web application and help maintain a standard look and feel across the entire site. Here's an explanation of what layout views are and why they are used in Razor views:

What Are Layout Views?

  • A layout view is a Razor view that acts as a template for the common structure of web pages in an application. It defines the shared HTML structure, including headers, footers, navigation bars, sidebars, and other elements that should be consistent across various pages.
  • Layout views typically include placeholders where content from individual views (such as regular views or partial views) can be inserted dynamically. These placeholders are specified using @RenderBody() and @RenderSection() directives.

Why Are Layout Views Used in Razor Views?

  • Consistency: Layout views ensure a consistent design and user experience across all pages of a web application. By defining the common structure in one place, changes to the layout are reflected on all pages.
  • Code Reusability: Layout views allow you to reuse the same layout for multiple pages, reducing redundancy in your code. This promotes maintainability and reduces the chance of inconsistencies.
  • Separation of Concerns: Layout views help maintain a clear separation of concerns in your application. The layout defines the page structure, while individual views focus on specific content and functionality. This separation makes code easier to manage and maintain.
  • Efficiency: When you need to make changes to the common elements of your website, such as the navigation menu or footer, you can do so in one place (the layout view) rather than making the same change in multiple views.
  • Dynamic Content: Layout views can include placeholders (@RenderBody() and @RenderSection()) for inserting dynamic content from individual views. This allows you to create fully functional web pages by combining the layout structure with specific content.
  • Customization: Layout views can be customized for different sections of your site, such as a different layout for the admin section of your application compared to the public-facing pages.
<!DOCTYPE html>
<html>
<head>
    <title>@ViewData["Title"]</title>
    @RenderSection("Styles", required: false)
</head>
<body>
    <header>
        <!-- Common header content -->
    </header>
    <nav>
        <!-- Navigation menu -->
    </nav>
    <main>
        @RenderBody()
    </main>
    <footer>
        <!-- Common footer content -->
    </footer>
    @RenderSection("Scripts", required: false)
</body>
</html>
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