gistfile1.cs

//PassParametersDuringRedirectAttribute.cs

// ~Line 25
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
	base.OnActionExecuting(filterContext);

	//Fair to say you'd only want this behavior on a GET request?  
	//I did this because it was hijacking properties on my model that was populated by a model binder.
	if(filterContext.RequestContext.HttpContext.Request.HttpMethod == "GET")
	{
		LoadParameterValuesFromTempData(filterContext);
	}
}