Difference Between RenderPartial and RenderAction

RenderPartial and RenderAction are two methods in the ASP.NET MVC (Model-View-Controller) framework that allow you to include partial views or action results in a view.

A partial view is a reusable component that can be rendered inside a view or layout page. It is typically used to display a piece of reusable UI, such as a login form or a shopping cart summary. Partial views are defined as regular views, but they are not associated with a layout page and cannot be called directly by a URL.

RenderPartial is a method of the HtmlHelper class that allows you to include a partial view in a view or layout page. It takes the name of the partial view as an argument and returns an MvcHtmlString object that represents the rendered partial view.

RenderAction is a method of the Controller class that allows you to execute an action method and include the action result in a view or layout page. It takes the name of the action method and the name of the controller as arguments and returns an MvcHtmlString object that represents the rendered action result.

Here is an example of how to use RenderPartial and RenderAction in a view:

@Html.RenderPartial("_LoginForm")


@{ Html.RenderAction("RecentNews", "Home"); }        

In this example, RenderPartial includes a partial view named "_LoginForm" in the current view, and RenderAction executes the "RecentNews" action method of the "Home" controller and includes the action result in the current view.

One key difference between RenderPartial and RenderAction is that RenderPartial is used to include a partial view, which is a static component that does not execute any logic, while RenderAction is used to execute an action method and include the action result, which can contain dynamic content and execute logic.

So, the main difference between RenderAction and RenderPartial is that RenderAction executes a child action method and returns the result of that action method as a partial view, while RenderPartial simply renders a partial view without executing an action method.

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