prvi

EveryThing/Pages/Files/Edit.cshtml.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.AspNetCore.Mvc.Rendering;
+using Microsoft.EntityFrameworkCore;
+using EveryThing.Data;
+using EveryThing.Models;
+
+namespace EveryThing.Pages.Files
+{
+    public class EditModel : PageModel
+    {
+        private readonly ApplicationDbContext _context;
+
+        public EditModel(ApplicationDbContext context)
+        {
+            _context = context;
+        }
+
+        [BindProperty]
+        public new File File { get; set; }
+
+        public async Task<IActionResult> OnGetAsync(int? id)
+        {
+            if (id == null)
+            {
+                return NotFound();
+            }
+
+            File = await _context.Files
+                .Include(f => f.Company).FirstOrDefaultAsync(m => m.IdFile == id);
+
+            if (File == null)
+            {
+                return NotFound();
+            }
+            ViewData["IdCompanyFk"] = new SelectList(_context.CodeTableCompanies, "IdCompany", "Ceo");
+            return Page();
+        }
+
+        // To protect from overposting attacks, please enable the specific properties you want to bind to, for
+        // more details see https://aka.ms/RazorPagesCRUD.
+        public async Task<IActionResult> OnPostAsync()
+        {
+            if (!ModelState.IsValid)
+            {
+                return Page();
+            }
+
+            _context.Attach(File).State = EntityState.Modified;
+
+            try
+            {
+                await _context.SaveChangesAsync();
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                if (!FileExists(File.IdFile))
+                {
+                    return NotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return RedirectToPage("./Index");
+        }
+
+        private bool FileExists(int id)
+        {
+            return _context.Files.Any(e => e.IdFile == id);
+        }
+    }
+}