How Can I Pass Parameters When Using RedirectToAction in ASP.NET MVC?

Passing Parameters in ASP.NET MVC's RedirectToAction

Challenge: How do you redirect to a controller action while also sending specific parameter values?

Background: The RedirectToAction method redirects to another action within your ASP.NET MVC application. However, directly passing parameters isn't immediately obvious.

Solution: Utilize the routeValues parameter of the RedirectToAction method. This allows you to specify key-value pairs that become route parameters for the target action.

For instance, to redirect to the Action method in the Site controller with an id parameter set to 99:

return RedirectToAction("Action", "Site", new { id = 99 });

This approach cleanly handles parameter passing without resorting to less elegant methods like TempData.

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