HTML.RenderPartial in ASP.NET MVC: A Guide with Code Examples. .NET MVC is a popular framework for building web applications, and it provides a lot of powerful tools for creating dynamic and interactive pages. One such tool is the HTML.RenderPartial method, which can be used to include reusable content on multiple pages within your application. In this blog post, we will look at what HTML.RenderPartial is, how it works, and provide some code examples to help you get started.

What is HTML.RenderPartial in .NET MVC?

HTML.RenderPartial is a method that is used to include a partial view into another view in .NET MVC. Partial views are smaller views that can be reused across multiple pages, similar to components in other front-end frameworks. They can contain any valid HTML and can have their own models, controllers, and actions. This makes it easy to create reusable components that can be used throughout your application, and it helps to keep your code organized and maintainable.

How does HTML.RenderPartial work?

The HTML.RenderPartial method is called in a view, and it includes the HTML from another view, known as the partial view, at the point where the method is called. The partial view is passed a model, and its HTML is included in the HTML of the view that calls the method. When the view is rendered, the HTML from the partial view will be included, and the resulting HTML will be sent to the browser.

Step 1: Creating a Partial View

The first step is to create a partial view in your ASP.NET MVC application. To do this, right-click on the Views folder in your solution and select Add > View. In the Add View dialog box, select “Empty (Without Model)” and check the “Create as a partial view” option. Give your partial view a meaningful name and click on the Add button.

Step 2: Adding HTML to the Partial View

Once the partial view is created, you can add HTML code to it. This can be a simple HTML code or a more complex UI component like a navigation bar or a footer.

Here is an example of a simple HTML code that can be used in a partial view:

    
Hello World
    
This is a simple partial view example.

Step 3: Rendering the Partial View

Once the partial view is created and HTML code is added, you can render it in your HTML page. To do this, you need to use the Html.RenderPartial method in your View. The Html.RenderPartial method takes the name of the partial view as an argument and renders it in the HTML page.

Here is an example of how to render a partial view in your HTML page:

    
This is the main view
    @Html.RenderPartial("HelloWorld")

Note: Make sure that the name of the partial view that you pass as an argument to the Html.RenderPartial method is the same as the name of the partial view that you created in Step 1.

Step 4: Compiling and Running the Application

Once the partial view is rendered in your HTML page, you can compile and run your ASP.NET MVC application. When you run the application, you should see the output of the partial view in the HTML page.

Conclusion

HTML.RenderPartial is a powerful tool for creating reusable components in .NET MVC. By using partial views, you can keep your code organized and maintainable, and make it easier to reuse content across multiple pages in your application. With the code examples in this blog post, you should now have a good understanding of how HTML.RenderPartial works, and you should be able to start using it in your own projects.

For complete information about Html.RenderPartial method you can check this: HtmlHelper.RenderPartial Method