quering values

BlogController.cs

  public async Task<IActionResult> Edit(string id)
  {
     if (string.IsNullOrWhiteSpace(id))
     {
        return NotFound();
     }

     var blogEntry = await _context.BlogEntries.Include(x => x.Categories).FirstOrDefaultAsync(x => x.Id == id);
     
     if (blogEntry == null)
     {
        return NotFound();
     }

     return View(blogEntry);
  }