asp.net mvc3 return raw html to view

2019-01-21 21:12发布

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问题:

Are there other ways I can return raw html from controller? As opposed to just using viewbag. like below:

public class HomeController : Controller
{
    public ActionResult Index()
    {
        ViewBag.HtmlOutput = "<HTML></HTML>";
        return View();
    }
}

@{
    ViewBag.Title = "Index";
}

@Html.Raw(ViewBag.HtmlOutput)

回答1:

There's no much point in doing that, because View should be generating html, not the controller. But anyways, you could use Controller.Content method, which gives you ability to specify result html, also content-type and encoding

public ActionResult Index()
{
    return Content("<html></html>");
}

Or you could use the trick built in asp.net-mvc framework - make the action return string directly. It will deliver string contents into users's browser.

public string Index()
{
    return "<html></html>";
}

In fact, for any action result other than ActionResult, framework tries to serialize it into string and write to response.



回答2:

Simply create a property in your view model of type MvcHtmlString. You won't need to Html.Raw it then either.



回答3:

Give a try to return bootstrap alert message, this worked for me

return Content("<div class='alert alert-success'><a class='close' data-dismiss='alert'>
&times;</a><strong style='width:12px'>Thanks!</strong> updated successfully</div>");

Note: Don't forget to add bootstrap css and js in your view page

hope helps someone.



回答4:

That looks fine, unless you want to pass it as Model string

public class HomeController : Controller
{
    public ActionResult Index()
    {
        string model = "<HTML></HTML>";
        return View(model);
    }
}

@model string
@{
    ViewBag.Title = "Index";
}

@Html.Raw(Model)


回答5:

In controller you can use MvcHtmlString

public class HomeController : Controller
{
    public ActionResult Index()
    {
        string rawHtml = "<HTML></HTML>";
        ViewBag.EncodedHtml = MvcHtmlString.Create(rawHtml);
        return View();
    }
}

In your View you can simply use that dynamic property which you set in your Controller like below

<div>
        @ViewBag.EncodedHtml
</div>


回答6:

Controller

    public class HomeController : Controller
    {
      public ActionResult Index()
      {
        ViewBag.show = false;
        return View();
         }
      }

Views

    @{
        ViewBag.Title = "Index";
      }

    @if (ViewBag.show == false){
        <div >
            @*your code*@
        </div>
      }


标签： asp.net-mvc-3 controller return
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