SampleController.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace MvcApplication4.Controllers
{
    public class SampleController : Controller
    {
        private MvcEntityDBEntities db = new MvcEntityDBEntities();

        //
        // GET: /Default1/

        public ActionResult Index()
        {
            return View(db.Samples.ToList());
        }

        //
        // GET: /Default1/Details/5

        public ActionResult Details(long id = 0)
        {
            Sample sample = db.Samples.Single(s => s.SampleId == id);
            if (sample == null)
            {
                return HttpNotFound();
            }
            return View(sample);
        }

        //
        // GET: /Default1/Create

        public ActionResult Create()
        {
            return View();
        }

        //
        // POST: /Default1/Create

        [HttpPost]
        public ActionResult Create(Sample sample)
        {
            if (sample.SampleName.StartsWith("X")) {
                ModelState.AddModelError("","X İle Başlamaz!");
            }
            if (ModelState.IsValid)
            {
                db.Samples.AddObject(sample);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(sample);
        }

        //
        // GET: /Default1/Edit/5

        public ActionResult Edit(long id = 0)
        {
            Sample sample = db.Samples.Single(s => s.SampleId == id);
            if (sample == null)
            {
                return HttpNotFound();
            }
            return View(sample);
        }

        //
        // POST: /Default1/Edit/5

        [HttpPost]
        public ActionResult Edit(Sample sample)
        {
            if (ModelState.IsValid)
            {
                db.Samples.Attach(sample);
                db.ObjectStateManager.ChangeObjectState(sample, EntityState.Modified);
                db.SaveChanges();
                return RedirectToAction("Index");
            }
            return View(sample);
        }

        //
        // GET: /Default1/Delete/5

        public ActionResult Delete(long id = 0)
        {
            Sample sample = db.Samples.Single(s => s.SampleId == id);
            if (sample == null)
            {
                return HttpNotFound();
            }
            return View(sample);
        }

        //
        // POST: /Default1/Delete/5

        [HttpPost, ActionName("Delete")]
        public ActionResult DeleteConfirmed(long id)
        {
            Sample sample = db.Samples.Single(s => s.SampleId == id);
            db.Samples.DeleteObject(sample);
            db.SaveChanges();
            return RedirectToAction("Index");
        }

        protected override void Dispose(bool disposing)
        {
            db.Dispose();
            base.Dispose(disposing);
        }
    }
}