C# (CSharp) Music_Tracks.Models Music_TracksContext.SaveChangesAsync Examples

Example #1

File: Edit.cshtml.cs Project: SamuelGherardi/Music_Tracks

        public async Task <IActionResult> OnPostAsync()
        {
            if (!ModelState.IsValid)
            {
                return(Page());
            }

            _context.Attach(Track).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!TrackExists(Track.Id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(RedirectToPage("./Index"));
        }

Example #2

File: Create.cshtml.cs Project: SamuelGherardi/Music_Tracks

        public async Task <IActionResult> OnPostAsync()
        {
            if (!ModelState.IsValid)
            {
                return(Page());
            }

            _context.Track.Add(Track);
            await _context.SaveChangesAsync();

            return(RedirectToPage("./Index"));
        }

Example #3

        public async Task <IActionResult> OnPostAsync(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            Track = await _context.Track.FindAsync(id);

            if (Track != null)
            {
                _context.Track.Remove(Track);
                await _context.SaveChangesAsync();
            }

            return(RedirectToPage("./Index"));
        }