示例#1
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 /// <summary>
 /// Renders a partial MVC view to string. Use this method to render
 /// a partial view that doesn't merge with _Layout and doesn't fire
 /// _ViewStart.
 /// </summary>
 /// <param name="viewPath">
 /// The path to the view to render. Either in same controller, shared by
 /// name or as fully qualified ~/ path including extension
 /// </param>
 /// <param name="model">The model to pass to the viewRenderer</param>
 /// <param name="controllerContext">Active controller context</param>
 /// <param name="errorMessage">optional output parameter to receive an error message on failure</param>
 /// <returns>String of the rendered view or null on error</returns>
 public static string RenderPartialView(string viewPath, object model,
                                        ControllerContext controllerContext,
                                        out string errorMessage)
 {
     errorMessage = null;
     try
     {
         ViewRenderer renderer = new ViewRenderer(controllerContext);
         return(renderer.RenderPartialView(viewPath, model));
     }
     catch (Exception ex)
     {
         errorMessage = ex.GetBaseException().Message;
     }
     return(null);
 }