Exemplos de WebApplication7.Models WebApplication7Context.Attach em C# (CSharp)

Exemplo n.º 1

Arquivo: Edit.cshtml.cs Projeto: AgaKasia/WebApplication7-master

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

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

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!PersonExists(Person.ID))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            Message = "Your changes have been saved.";
            return(RedirectToPage("./Index"));
        }

Exemplo n.º 2

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

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

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!SongExists(Song.ID))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

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