Render Razor View to String in ASP.NET MVC

public string RenderRazorViewToString(string viewName, object model = null)

        {

            ViewData.Model = model;

            using (var sw = new StringWriter())

            {

                var viewResult = ViewEngines.Engines.FindPartialView(ControllerContext, viewName);

                var viewContext = new ViewContext(ControllerContext, viewResult.View, ViewData, TempData, sw);

                viewResult.View.Render(viewContext, sw);

                viewResult.ViewEngine.ReleaseView(ControllerContext, viewResult.View);

                return sw.GetStringBuilder().ToString();

            }

        }

Note:-

2nd Parameter is optional you may pass the model or not.

How to utilize click the link 

http://dotnet-jigyasa.blogspot.com/2018/09/render-razor-view-to-string-and.html