public async Task<IActionResult> OnPostAsync() { if (!ModelState.IsValid) { return Page(); } IFormFileCollection formFileCollection = HttpContext.Request.Form.Files; string htmlMessage = _emailBuilder.GetHtmlString(EmailConstants.SubjectWorkTemporaryProtection, TemporaryProtectionVM); await _emailSender.SendEmailAsync(EmailConstants.SubjectWorkTemporaryProtection, htmlMessage, formFileCollection); StatusMessage = "Form başarıyla gönderildi!"; return RedirectToPage("/Index"); }