public IActionResult OnPost()
{
if (!ModelState.IsValid)
{
return(Page());
}
if (Post.Id > 0)
{
postData.Update(Post);
}
else
{
postData.Add(Post);
}
postData.Commit();
TempData["Message"] = "Post Saved!";
return(RedirectToPage("/Detail", new { postId = Post.Id }));
}