public ActionResult DeleteConfirmed(int id)
{
cow_device cow_device = db.cow_device.Find(id);
db.cow_device.Remove(cow_device);
db.SaveChanges();
return(RedirectToAction("Index"));
}
//
// GET: /device/Details/5
public ActionResult Details(int id = 0)
{
cow_device cow_device = db.cow_device.Find(id);
if (cow_device == null)
{
return(HttpNotFound());
}
return(View(cow_device));
}
//
// GET: /device/Edit/5
public ActionResult Edit(int id = 0)
{
cow_device cow_device = db.cow_device.Find(id);
if (cow_device == null)
{
return(HttpNotFound());
}
ViewBag.cowId = new SelectList(db.cow, "cowId", "cowId", cow_device.cowId);
return(View(cow_device));
}
public ActionResult Create(cow_device cow_device)
{
if (ModelState.IsValid)
{
//把十六进制转换成十进制
cow_device.deviceId = ConvertToTen(cow_device.showDeviceId);
//如果转换出现异常则返回页面
if (cow_device.deviceId == null)
{
ViewBag.cowId = new SelectList(db.cow, "cowId", "cowId");
ViewBag.error = "请输入十六进制设备编号";
return(View(cow_device));
}
var item = db.cow_device.AsNoTracking().SingleOrDefault(g => g.deviceId == cow_device.deviceId);
if (item != null && item.id != cow_device.id)
{
ViewBag.cowId = new SelectList(db.cow, "cowId", "cowId");
ViewBag.error = "设备编号重复，请修改";
return(View(cow_device));
}
if (cow_device.cowId != null)
{
cow_device device = db.cow_device.AsNoTracking().SingleOrDefault(g => g.cowId == cow_device.cowId);
if (device != null)
{
device.cowId = null;
db.Entry(device).State = EntityState.Modified;
}
}
db.cow_device.Add(cow_device);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.cowId = new SelectList(db.cow, "cowId", "cowId");
return(View(cow_device));
}
