public static string RenderPartialToString(this ControllerBase controller, string partialName, object model)
{
var vd = new ViewDataDictionary(controller.ViewData);
var vp = new ViewPage
{
ViewData = vd,
ViewContext = new ViewContext(),
Url = new UrlHelper(controller.ControllerContext.RequestContext)
};
ViewEngineResult result = ViewEngines
.Engines
.FindPartialView(controller.ControllerContext, partialName);
if (result.View == null)
{
throw new InvalidOperationException(
string.Format("The partial view '{0}' could not be found", partialName));
}
var partialPath = ((WebFormView)result.View).ViewPath;
vp.ViewData.Model = model;
Control control = vp.LoadControl(partialPath);
vp.Controls.Add(control);
var sb = new StringBuilder();
using (var sw = new StringWriter(sb))
{
using (var tw = new HtmlTextWriter(sw))
{
vp.RenderControl(tw);
}
}
return(sb.ToString());
}
public static string RenderPartialToString(string controlName, object viewData, object model, System.Web.Routing.RequestContext viewContext)
{
ViewDataDictionary vd = new ViewDataDictionary(viewData);
ViewPage vp = new ViewPage {
ViewData = vd
};
vp.ViewData = vd;
vp.ViewData.Model = model;
vp.ViewContext = new ViewContext();
vp.Url = new UrlHelper(viewContext);
Control control = vp.LoadControl(controlName);
vp.Controls.Add(control);
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb))
using (HtmlTextWriter tw = new HtmlTextWriter(sw))
{
vp.RenderControl(tw);
}
return(sb.ToString());
}
public static string RenderViewToString(string controlPath, ViewDataDictionary data)
{
var renderer = Dependency.TryResolve <ITemplateRenderer>();
if (renderer != null)
{
return(renderer.Render(controlPath, data));
}
StringBuilder sb = new StringBuilder();
if (controlPath != null && controlPath.EndsWith(".cshtml", System.StringComparison.InvariantCultureIgnoreCase))
{
data = data ?? new ViewDataDictionary(new Dictionary <string, object>());
var httpBase = new HttpContextWrapper(HttpContext.Current);
var controller = new FakeController();
var route = new RouteData();
route.Values.Add("controller", "something");
var controllerContext = new ControllerContext(httpBase, route, controller);
var actualPath = controlPath;
if (actualPath.StartsWith("~/"))
{
actualPath = Path.Combine(HostingEnvironment.ApplicationPhysicalPath,
actualPath.Substring(2).Replace("/", "\\"));
}
if (!File.Exists(actualPath))
{
throw new ArgumentOutOfRangeException("controlPath", String.Format("controlPath: {0}", actualPath));
}
var view = new RazorView(controllerContext, controlPath, null, false, null, null);
using (StringWriter sw = new StringWriter(sb))
{
var viewContext = new ViewContext(controllerContext, view, data, new TempDataDictionary(), sw);
view.Render(viewContext, sw);
}
}
else
{
ViewPage vp = new ViewPage {
ViewData = data
};
Control control = vp.LoadControl(controlPath);
vp.Controls.Add(control);
using (StringWriter sw = new StringWriter(sb))
using (HtmlTextWriter tw = new HtmlTextWriter(sw))
{
vp.RenderControl(tw);
}
}
return(sb.ToString());
}
public static string RenderPartialToString(string controlName, object viewData)
{
ViewPage viewPage = new ViewPage() { ViewContext = new ViewContext() };
viewPage.ViewData = new ViewDataDictionary(viewData);
viewPage.Controls.Add(viewPage.LoadControl(controlName));
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb)) {
using (HtmlTextWriter tw = new HtmlTextWriter(sw)) {
viewPage.RenderControl(tw);
}
}
return sb.ToString();
}
/// <summary>The render partial to string.</summary>
/// <param name="controlName">The control name.</param>
/// <param name="viewData">The view data.</param>
/// <returns>The <see cref="string"/>.</returns>
private static string RenderPartialToString(string controlName, object viewData)
{
var viewPage = new ViewPage {
ViewContext = new ViewContext(), ViewData = new ViewDataDictionary(viewData)
};
viewPage.Controls.Add(viewPage.LoadControl(controlName));
var sb = new StringBuilder();
using (var sw = new StringWriter(sb)) {
using (var tw = new HtmlTextWriter(sw)) {
viewPage.RenderControl(tw);
}
}
return(sb.ToString());
}
public static string RenderPartialToString(string controlName, object viewData)
{
ViewDataDictionary vd = new ViewDataDictionary(viewData);
ViewPage vp = new ViewPage { ViewData = vd };
Control control = vp.LoadControl(controlName);
vp.Controls.Add(control);
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb))
{
using (HtmlTextWriter tw = new HtmlTextWriter(sw))
{
vp.RenderControl(tw);
}
}
return sb.ToString();
}
public static string RenderViewToString(string viewName, ViewDataDictionary viewData)
{
ViewPage vp = new ViewPage {
ViewData = viewData
};
Control control = vp.LoadControl(viewName);
vp.Controls.Add(control);
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb))
{
using (HtmlTextWriter tw = new HtmlTextWriter(sw))
{
vp.RenderControl(tw);
}
}
return(sb.ToString());
}
public static string RenderPartialToString(string controlName, object viewData)
{
ViewDataDictionary vd = new ViewDataDictionary(viewData);
ViewPage vp = new ViewPage {
ViewData = vd
};
Control control = vp.LoadControl(controlName);
vp.Controls.Add(control);
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb))
{
using (HtmlTextWriter tw = new HtmlTextWriter(sw))
{
vp.RenderControl(tw);
}
}
return(sb.ToString());
}
public static string RenderPartialToString(string file, object view)
{
ViewDataDictionary vd = new ViewDataDictionary(view);
ViewPage viewPage = new ViewPage {
ViewData = vd
};
Control control = viewPage.LoadControl(file);
viewPage.Controls.Add(control);
StringBuilder str = new StringBuilder();
using (StringWriter stringWriter = new StringWriter(str))
{
using (HtmlTextWriter htmlTextWriter = new HtmlTextWriter(stringWriter))
{
viewPage.RenderControl(htmlTextWriter);
}
}
return(str.ToString());
}
private static string renderPluginTemplate(PluginTemplate pluginTemplate, ResultExecutedContext context, string partialView, int index)
{
ViewPage viewPage = new ViewPage()
{
ViewContext = new ViewContext(context, ((ViewResult)context.Result).View, context.Controller.ViewData, context.Controller.TempData), ViewData = context.Controller.ViewData
};
StringBuilder sb = new StringBuilder();
viewPage.InitHelpers();
//TODO: (erikpo) Change the current model to be wrapped by a PluginViewModel to strongly type things like the plugin and its extended properties
viewPage.ViewData.Model = getModel(context, partialView, index);
viewPage.ViewData["Plugin"] = pluginTemplate.Plugin;
viewPage.ViewData["Index"] = index;
viewPage.Controls.Add(viewPage.LoadControl(string.Format("{0}/{1}.ascx", pluginTemplate.Plugin.Container.GetTemplatesPath(), pluginTemplate.TemplateName)));
using (StringWriter sw = new StringWriter(sb))
using (HtmlTextWriter tw = new HtmlTextWriter(sw))
viewPage.RenderControl(tw);
return(sb.ToString());
}
public static string RenderPartialToString(this HtmlHelper html, string controlName, object model)
{
ViewDataDictionary vd = new ViewDataDictionary(html.ViewData);
vd.Model = model;
ViewPage vp = new ViewPage { ViewData = vd, ViewContext = html.ViewContext };
Control control = vp.LoadControl(controlName);
vp.Controls.Add(control);
StringBuilder sb = new StringBuilder();
using (StringWriter sw = new StringWriter(sb))
{
using (HtmlTextWriter tw = new HtmlTextWriter(sw))
{
vp.RenderControl(tw);
}
}
return sb.ToString();
}
