public async Task <IActionResult> AddOrUpdate(ContentEntry contentEntry)
{
ViewData["DataType"] = typeof(ContentEntry);
ViewData["DataCategory"] = await contentBusiness.GetCategoryFormByP(KnowledgeBusiness.PublishKey);
await contentBusiness.CreateContentWithTag(contentEntry, KnowledgeBusiness.PublishKey);
return(RedirectToAction("Index"));
}