Rotativa.ViewAsPdf.ExecuteResult C# (CSharp) Method

        public override void ExecuteResult(ControllerContext context)
        {
            if (context == null)
                throw new ArgumentNullException("context");

            var response = PrepareResponse(context.HttpContext.Response);

            if (WkhtmltopdfPath == string.Empty)
                WkhtmltopdfPath = HttpContext.Current.Server.MapPath("~/Rotativa");

            context.Controller.ViewData.Model = Model;

            // use action name if the view name was not provided
            if (string.IsNullOrEmpty(ViewName))
                ViewName = context.RouteData.GetRequiredString("action");

            using (var sw = new StringWriter())
            {
                ViewEngineResult viewResult = ViewEngines.Engines.FindView(context, ViewName, MasterName);

                // view not found, throw an exception with searched locations
                if (viewResult.View == null)
                {
                    StringBuilder locations = new StringBuilder();
                    locations.AppendLine();

                    foreach (string location in viewResult.SearchedLocations)
                    {
                        locations.AppendLine(location);
                    }

                    throw new InvalidOperationException(string.Format("The view '{0}' or its master was not found, searched locations: {1}", ViewName, locations));
                }

                var viewContext = new ViewContext(context, viewResult.View, context.Controller.ViewData, context.Controller.TempData, sw);
                viewResult.View.Render(viewContext, sw);

                StringBuilder html = sw.GetStringBuilder();

                // replace href and src attributes with full URLs
                string baseUrl = string.Format("{0}://{1}", HttpContext.Current.Request.Url.Scheme, HttpContext.Current.Request.Url.Authority);
                html.Replace(" href=\"/", string.Format(" href=\"{0}/", baseUrl));
                html.Replace(" src=\"/", string.Format(" src=\"{0}/", baseUrl));

                var fileContent = WkhtmltopdfDriver.ConvertHtml(WkhtmltopdfPath, GetConvertOptions(), html.ToString());
                response.OutputStream.Write(fileContent, 0, fileContent.Length);
            }
        }