public async Task <string> ViewHtmlGenerator(string viewName, HttpContextItems httpContextItems, bool partial = false)
{
using (StringWriter writer = new StringWriter())
{
IViewEngine viewEngine = httpContextItems.ControllerContext.HttpContext.RequestServices.GetService(typeof(ICompositeViewEngine)) as ICompositeViewEngine;
ViewEngineResult viewResult = viewEngine.FindView(httpContextItems.ActionContext, viewName, !partial);
if (viewResult.Success == false)
{
return($"A view with the name {viewName} could not be found");
}
await viewResult.View.RenderAsync(new ViewContext(
httpContextItems.ActionContext,
viewResult.View,
new ViewDataDictionary((IModelMetadataProvider)httpContextItems.HttpContextAccessor.HttpContext.RequestServices.GetService(typeof(IModelMetadataProvider)), httpContextItems.ActionContext.ModelState),
new TempDataDictionary(httpContextItems.DefaultHttpContext, new TempDataProvider()),
writer,
new HtmlHelperOptions()
));
return(writer.GetStringBuilder().ToString());
}
}
public Tuple <string, HttpContextItems> CoreItemsForRenderView(string viewName)
{
var httpContextItems = new HttpContextItems();
return(new Tuple <string, HttpContextItems>(string.IsNullOrEmpty(viewName) ? httpContextItems.ControllerContext.ActionDescriptor.ActionName : viewName, httpContextItems));
}