public async Task <string> RenderMailViewAsync(ControllerContext controllerContext, MailTemplate template, object model)
{
var viewResult = _viewEngine.FindView(controllerContext, template.ToString(), false);
if (!viewResult.Success)
{
throw new ArgumentOutOfRangeException(nameof(template));
}
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider(), controllerContext.ModelState);
var tempData = _tempDataFactory?.GetTempData(controllerContext.HttpContext);
using (StringWriter sw = new StringWriter())
{
viewData.Model = model;
ViewContext viewContext = new ViewContext(controllerContext,
viewResult.View, viewData, tempData, sw, new HtmlHelperOptions());
await viewResult.View.RenderAsync(viewContext);
return(sw.GetStringBuilder().ToString());
}
}
