Create controller for partial view in ASP NET MVC

Question

How can I create an individual controller and model for a partial view  I want to be able to place this partial view any where on the site so it needs it s own controller  I am current rendering the partial as so   Html Partial   Testimonials

User · Answer

If it were me  I would simply create a new Controller with a Single Action and then use RenderAction in place of Partial      Assuming the controller is named NewController   Html RenderAction  ActionName                          New                          new   routeValueOne    SomeValue

User · Answer

Why not use Html RenderAction     Then you could put the following into any controller  even creating a new controller for it     ChildActionOnly  public ActionResult MyActionThatGeneratesAPartial string parameter1        var model   repository GetThingByParameter parameter1       var partialViewModel   new PartialViewModel model       return PartialView partialViewModel        Then you could create a new partial view and have your PartialViewModel be what it inherits from   For Razor  the code block in the view would look like this      Html RenderAction  Index    Home        For the WebFormsViewEngine  it would look like this    lt   Html RenderAction  Index    Home      gt

User · Answer

It does not need its own controller  You can use   Html Partial     ControllerName  Testimonials cshtml     This allows you to render the partial from any page  Just make sure the relative path is correct

User · Answer

The most important thing is  the action created must return partial view  see below   public ActionResult  YourPartialViewSection         return PartialView

User · Answer

You don t need a controller and when using  Net 5  MVC 6  you can render the partial view async   await Html PartialAsync   LoginPartial     or    await Html RenderPartialAsync  PartialName       or if you are using  net core 2 1   you can just use    lt partial name  Shared  ProductPartial cshtml           for  Product    gt

User · Answer

Html Action is a poorly designed technology  Because in your page Controller you can t receive the results of computation in your Partial Controller  Data flow is only Page Controller    Partial Controller   To be closer to WebForm UserControl    ascx  you need to    Create a page Model and a Partial Model Place your Partial Model as a property in your page Model In page s View use Html EditorFor m    m MyPartialModel  Create an appropriate Partial View Create a class very similar to that Child Action Controller described here in answers many times  But it will be just a class  inherited from Object rather than from Controller   Let s name it as MyControllerPartial  MyControllerPartial will know only about Partial Model  Use your MyControllerPartial in your page controller  Pass model MyPartialModel to MyControllerPartial Take care about proper prefix in your MyControllerPartial  Fox example  ModelState AddError  MyPartialModel      SomeFieldName    Error   In MyControllerPartial you can make validation and implement other logics related to this Partial Model   In this situation you can use it like   public class MyController   Controller                public MyController             MyChildController   new MyControllerPartial this ViewData               HttpPost      public ActionResult Index MyPageViewModel model                    int childResult   MyChildController ProcessSomething model MyPartialModel                     P S  In step 3 you can use Html Partial  PartialViewName   Model MyPartialModel   lt clone ViewData with prefix MyPartialModel gt    For more details see ASP NET MVC partial views  input name prefixes

[asp.net] Create controller for partial view in ASP.NET MVC

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