Passing Parameters to an Action with Html.Action() in ASP.NET MVC

In ASP.NET MVC, you can use the Html.Action() method to invoke a child action within a view and pass parameters to it. Here's a step-by-step guide with code examples:

1. Define the Child Action in the Controller

First, create the child action in your controller. This is the action that will be invoked using Html.Action().

public class YourController : Controller
{
    public ActionResult ChildAction(int parameter1, string parameter2)
    {
        // Your logic here
        return View();
    }
}

2. Invoke the Child Action in the View

Now, in your view, you can use Html.Action() to call the child action and pass parameters.

@{
    int parameterValue1 = 123;
    string parameterValue2 = "example";
}

@Html.Action("ChildAction", "YourController", new { parameter1 = parameterValue1, parameter2 = parameterValue2 })
  • Replace "YourController" with the actual name of your controller.
  • Adjust parameterValue1 and parameterValue2 with the values you want to pass.

3. Retrieve Parameters in the Child Action

In the child action, retrieve the parameters passed from the view.

public class YourController : Controller
{
    public ActionResult ChildAction(int parameter1, string parameter2)
    {
        // Access the parameters
        ViewBag.Param1 = parameter1;
        ViewBag.Param2 = parameter2;

        // Your logic here

        return View();
    }
}

4. Use Parameters in the Child Action View

Finally, you can use the parameters in the child action view.

<!-- ChildAction.cshtml -->

<h2>Child Action View</h2>

<p>Parameter 1: @ViewBag.Param1</p>
<p>Parameter 2: @ViewBag.Param2</p>

<!-- Your additional content here -->

By following these steps, you can effectively pass parameters to a child action using Html.Action() in ASP.NET MVC. Adjust the parameter names, types, and values based on your specific requirements.

 
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