[英]Get MVC partialView/View data in string
我有一个要求,我需要将View中的HTML数据保存在字符串变量中,类似这样
string data = GetData(Id)
GetData是一种返回View的方法,例如
public ActionResult GetData(int Id) { return PartialView("ViewName"); }
我的要求是获取此View创建/返回的任何内容,并将其作为HTML分配给string
变量data
真的有可能吗?
感谢帮助
尝试这个
public static string GetTemplateContentInstance(ControllerContext controllerContext, string viewName, object model)
{
if (string.IsNullOrWhiteSpace(viewName))
//Return name of view for current action
viewName = controllerContext.RouteData.GetRequiredString("action");
controllerContext.Controller.ViewData.Model = model;
using (StringWriter stringWriter = new StringWriter())
{
ViewEngineResult viewResult = ViewEngines.Engines.FindPartialView(controllerContext, viewName);
ViewContext viewContext = new ViewContext(controllerContext, viewResult.View, controllerContext.Controller.ViewData, controllerContext.Controller.TempData, stringWriter);
viewResult.View.Render(viewContext, stringWriter);
return stringWriter.GetStringBuilder().ToString();
}
}
用途如下
string viewBody = GetTemplateContentInstance(this.ControllerContext, Url.Content("ViewName"), ModelName)
尝试这个:
private string GetHtmlFromUrl(string url)
{
string html = "";
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
// get the response stream.
//Stream responseStream = response.GetResponseStream();
// use a stream reader that understands UTF8
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
html = reader.ReadToEnd();
// close the reader
reader.Close();
response.Close();
return html;//return content html
}
用法:
string data = GetHtmlFromURL("/YourController/GetData/{ID}")
//or GetHtmlFromURL("/YourController/GetData?ID={ID}") if your route isn't set to accept ID
您尝试创建一个HtmlHelper的实例,并在该帮助器中使用RenderPartial扩展方法。
注意:您需要包括对System.Web.Mvc.Html的使用,以访问RenderPartial
public static HtmlHelper GetHtmlHelper( this Controller controller )
{
var viewContext = new ViewContext( controller.ControllerContext, new FakeView(), controller.ViewData, controller.TempData, TextWriter.Null );
new HtmlHelper( viewContext, new ViewPage() ).RenderPartial("/mypartial");
}
public class FakeView : IView
{
public void Render( ViewContext viewContext, TextWriter writer )
{
throw new InvalidOperationException();
}
}
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