C# 呼叫控制器'；s PartialViewResult来自代码并呈现为字符串

是否有一种方法可以从代码调用控制器的

ParitalViewResult

，并将整个视图作为字符串返回。我希望通过数据库中的信息调用此控制器和操作，不要硬编码控制器调用，尽可能动态

例如，我有一个带有以下内容的

TestscController

（代码不完整，只是一个占位符）：

我有一个ViewExtension，它可以将视图呈现为字符串，但它从来不会出现在

TestsController

的屏幕上。它只运行

.cshtml

我可以称之为：

strView = PartialView("~/Views/Tests/_Display.cshtml", model).RenderToString();

使用此ViewExtension（工作正常，但不影响控制器：

public static string RenderToString(this PartialViewResult partialView)
{
    var httpContext = HttpContext.Current;

    if (httpContext == null)
    {
        throw new NotSupportedException("An HTTP context is required to render the partial view to a string");
    }

    var controllerName = httpContext.Request.RequestContext.RouteData.Values["controller"].ToString();

    var controller = (ControllerBase)ControllerBuilder.Current.GetControllerFactory().CreateController(httpContext.Request.RequestContext, controllerName);

    var controllerContext = new ControllerContext(httpContext.Request.RequestContext, controller);

    var view = ViewEngines.Engines.FindPartialView(controllerContext, partialView.ViewName).View;

    var sb = new StringBuilder();

    using (var sw = new StringWriter(sb))
    {
        using (var tw = new HtmlTextWriter(sw))
        {
            view.Render(new ViewContext(controllerContext, view, partialView.ViewData, partialView.TempData, tw), tw);
        }
    }

    return sb.ToString();
}

---

请告诉我是否可以提供其他详细信息。

不确定您的意思。您的意思是：

var c=new TestscController（）；c._Display（）；

？为什么需要将局部视图渲染为字符串？可能是

public static string RenderToString(this PartialViewResult partialView)
{
    var httpContext = HttpContext.Current;

    if (httpContext == null)
    {
        throw new NotSupportedException("An HTTP context is required to render the partial view to a string");
    }

    var controllerName = httpContext.Request.RequestContext.RouteData.Values["controller"].ToString();

    var controller = (ControllerBase)ControllerBuilder.Current.GetControllerFactory().CreateController(httpContext.Request.RequestContext, controllerName);

    var controllerContext = new ControllerContext(httpContext.Request.RequestContext, controller);

    var view = ViewEngines.Engines.FindPartialView(controllerContext, partialView.ViewName).View;

    var sb = new StringBuilder();

    using (var sw = new StringWriter(sb))
    {
        using (var tw = new HtmlTextWriter(sw))
        {
            view.Render(new ViewContext(controllerContext, view, partialView.ViewData, partialView.TempData, tw), tw);
        }
    }

    return sb.ToString();
}