Html.Partial vs Html.RenderPartial & Html.Action vs Html.RenderAction

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感动是毒
感动是毒 2020-11-22 04:03

In ASP.NET MVC, what is the difference between:

  • Html.Partial and Html.RenderPartial
  • Html.Action and Html.
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  • 2020-11-22 04:34

    The return type of Html.RenderAction is void that means it directly renders the responses in View where the return type of Html.Action is MvcHtmlString You can catch its render view in controller and modify it by using following method

    protected string RenderPartialViewToString(string viewName, object model)
        {
            if (string.IsNullOrEmpty(viewName))
                viewName = ControllerContext.RouteData.GetRequiredString("action");
    
            ViewData.Model = model;
    
            using (StringWriter sw = new StringWriter())
            {
                ViewEngineResult viewResult = ViewEngines.Engines.FindPartialView(ControllerContext, viewName);
                ViewContext viewContext = new ViewContext(ControllerContext, viewResult.View, ViewData, TempData, sw);
                viewResult.View.Render(viewContext, sw);
                return sw.GetStringBuilder().ToString();
            }
        }
    

    This will return the Html string of the View.

    This is also applicable to Html.Partial and Html.RenderPartial

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