public override void Calc() { computer com = new computer(); com.inputProgram = input; com.Init(); com.Calc(); string scr = ""; while (com.outputs.Count > 0) { scr += getAscii(com.outputs.Dequeue() + ""); } // Console.WriteLine(scr); var r = scr.Split('\n'); int sum = 0; for (int i = 1; i < r.Length - 3; i++) { // Console.WriteLine(r[i] + r[i].Length); if (r[i].Length >= 2) { for (int j = 1; j < r[i].Length - 1; j++) { if (r[i][j] == '#' && r[i + 1][j] == '#' && r[i - 1][j] == '#' && r[i][j + 1] == '#' && r[i][j - 1] == '#') { sum += i * j; } } } } output = sum + ""; }
public AddPhotoView(computer selectedItem, PhotoType phototype) { InitializeComponent(); this.selectedcomputer = selectedItem; this.photoType = phototype; this.ChangePhoto(); }
public override void Calc() { computer com = new computer(); com.inputProgram = input; com.Init(); com.Calc(); /* * while (com.outputs.Count>0) * { * com.outputs.Dequeue(); * //Console.Write((char)(int)(com.outputs.Dequeue())); * } */ string prog = "NOT T T\nAND A T\nAND B T\nAND C T\nNOT T J\nAND D J\nWALK\n"; foreach (var c in prog) { com.inputs.Enqueue(c); } com.Calc(); while (com.outputs.Count > 0) { output = com.outputs.Dequeue() + ""; // Console.WriteLine((com.outputs.Dequeue())); } }
void TryCombo(string ord) { int res = 0; var order = Tools.StringToIntArray(ord); Console.WriteLine(Tools.ArrayToString(order)); computer[] coms = new computer[5]; for (int i = 0; i < 5; i++) { computer c = new computer(); c.inputProgram = input; c.inputs.Enqueue(order[i]); c.Init(); coms[i] = c; } while (!coms[4].halt) { for (int i = 0; i < 5; i++) { coms[i].inputs.Enqueue(res); coms[i].Calc(); res = coms[i].output; } } output2 = Math.Max(output2, res); }
public override void Calc() { computer com = new computer(); com.inputProgram = input; com.Init(); com.Calc(); int count = 0; while (com.outputs.Count > 0) { com.outputs.Dequeue(); com.outputs.Dequeue(); var a = com.outputs.Dequeue(); if (a == 2) { count++; } } output = count + ""; }
public override void Calc() { for (int i = 0; i < 50; i++) { computer com = new computer(); // com.toLog = true; com.inputProgram = input; com.Init(); com.inputs.Enqueue(i); // com.inputs.Enqueue(-1); com.Calc(); coms.Add(com); } while (true) { for (int i = 0; i < 50; i++) { var com = coms[i]; if (com.inputs.Count == 0) { com.inputs.Enqueue(-1); } com.Calc(); while (com.outputs.Count > 0) { var addr = com.outputs.Dequeue(); var X = com.outputs.Dequeue(); var Y = com.outputs.Dequeue(); if (addr == 255) { output = Y + ""; break; } else { coms[(int)addr].inputs.Enqueue(X); coms[(int)addr].inputs.Enqueue(Y); } } if (output != "") { break; } } if (output != "") { break; } } }
public static void Main() { computer obj = new computer(); Console.WriteLine("Digite o modelo de sua CPU (formato: 'AMD Ryzen 5 1600AF'): "); obj.cpu = Console.ReadLine(); Console.WriteLine("Digite o modelo de sua Placa de Vídeo (formato: 'Asus RX 580 4GB'): "); obj.gpu = Console.ReadLine(); Console.WriteLine("Digite a quantidade de Memória RAM (formato: '2x8GB 2400'): "); obj.ram = Console.ReadLine(); Console.WriteLine("Digite o modelo de sua Placa mãe (formato: 'Asus EX-A320M-Gaming'): "); obj.motherboard = Console.ReadLine(); Console.WriteLine("Digite quantos Watts sua fonte possui (formato: '600'): "); obj.powerSupplyWatts = int.Parse(Console.ReadLine()); Console.WriteLine("Digite o modelo de seu gabinete (formato: 'Fortrek Centurion Gamer'): "); obj.pcCase = Console.ReadLine(); Console.WriteLine("Digite quantos GB totais seu PC tem (formato: '1.240TB'): "); obj.hdCapacity = Console.ReadLine(); Console.WriteLine("Seu computador irá iniciar. Deseja tocar uma música? (formato: S / N)"); var response = Console.ReadLine(); //showing the method to initialize the computer // Console.WriteLine(turningOnPC); //show in console the datas inserted by the user Console.WriteLine("Seu processador é: " + obj.cpu); Console.WriteLine("Sua placa de vídeo é: " + obj.gpu); Console.WriteLine("Você tem: " + obj.ram + " de RAM"); Console.WriteLine("Sua placa mãe é: " + obj.motherboard); Console.WriteLine("Sua fonte possui: " + obj.powerSupplyWatts + "W de potência"); Console.WriteLine("O modelo de seu gabinete é: " + obj.pcCase); Console.WriteLine("Seu computador possui: " + obj.hdCapacity + " de espaço total"); //user choose if wants to start or turn off the computer Console.WriteLine("Se desejar ligar o computador digite: 'ligando', se quiser que ele fique desligado, digite 'desligando'"); var checkResponse = Console.ReadLine(); if (checkResponse == "ligando") { var statusResponse = "Ligando"; } else { var statusResponse = "Desligando"; } obj.changeStatusPc(statusResponse); }
// GET: ComputerDetail public ActionResult Index(computer computerIn) { using (frycz_pcdbEntities entities = new frycz_pcdbEntities()) { entities.Configuration.LazyLoadingEnabled = false; var comps = entities.computers.Where(c => c.idcomputer == computerIn.idcomputer).Include(c => c.user).Include(c => c.computer_parameters).Include(c => c.o) .Include(c => c.computer_type).Include(c => c.computer_brand).FirstOrDefault(); return(View("ComputerDetail", comps)); } }
private ActionResult returnValidationMessage(computer computer, int count, FormCollection formCollection) { using (frycz_pcdbEntities entities = new frycz_pcdbEntities()) { ViewBag.guar = DateTime.Now.AddYears(2).ToString("dd/MM/yyyy"); ViewBag.numberofadd = count; ViewBag.first = formCollection["1"].ToUpper(); makeViewBag(entities, new computer()); return(View("AddComputer", computer)); } }
public ActionResult Delete(computer computerIn) { using (frycz_pcdbEntities entities = new frycz_pcdbEntities()) { var comp = entities.computers.FirstOrDefault(c => c.idcomputer == computerIn.idcomputer); entities.computers.Remove(comp); entities.SaveChanges(); Logger.logComputer(comp, "Delete", User); return(RedirectToAction("Index", "AllComputer", comp)); } }
public ActionResult Discard(computer computerIn) { using (frycz_pcdbEntities entities = new frycz_pcdbEntities()) { var comp = entities.computers.FirstOrDefault(c => c.idcomputer == computerIn.idcomputer); comp.discardedDate = DateTime.Now; entities.SaveChanges(); Logger.logComputer(comp, "Discard", User); return(RedirectToAction("Index", "ComputerDetail", comp)); } }
public override void Calc() { computer com = new computer(); long count = 0; int cx = 50; int cy = 0; bool down = true; bool search = true; while (true) { com.inputProgram = input; com.Init(); com.inputs.Enqueue(cx); com.inputs.Enqueue(cy); com.Calc(); var r = com.outputs.Dequeue(); if (r == 0) { down = true; } else { down = false; com.inputProgram = input; com.Init(); com.inputs.Enqueue(cx - 99); com.inputs.Enqueue(cy + 99); com.Calc(); var r2 = com.outputs.Dequeue(); if (r2 == 1) { output = ((cx - 99) * 10000 + cy) + ""; break; } } if (down) { cy++; } else { cx++; } } }
public override void Calc() { //Console.WriteLine("1125899906842624"); //Console.WriteLine(long.MaxValue); computer com = new computer(); com.inputProgram = input; com.Init(); com.Calc(); output = com.output + ""; }
public ActionResult Save(computer com) { bool status = false; if (ModelState.IsValid) { using (TCMSDBEntities dc = new TCMSDBEntities()) { if (com.MachineNO > 0) { // Edit var v = dc.computers.Where(a => a.MachineNO == com.MachineNO).FirstOrDefault(); if (v != null) { v.MachineNO = com.MachineNO; v.Processor_Type = com.Processor_Type; v.HDD_Capacity = com.HDD_Capacity; v.RAM_Capacity = com.RAM_Capacity; v.PowerSupply_ID = com.PowerSupply_ID; v.Motherboard_ID = com.Motherboard_ID; v.LabNo = com.LabNo; } else { //Save dc.computers.Add(com); } } try { dc.SaveChanges(); status = true; } catch (Exception) { status = true; return(new JsonResult { Data = new { status = status, message = "Something Wrong!" } }); throw; } } } return(new JsonResult { Data = new { status = status, message = "Saved Successfully" } }); //return Json(new { status = true, message = "Saved Successfully" }, JsonRequestBehavior.AllowGet); }
public ActionResult Index(computer computer) { using (frycz_pcdbEntities entities = new frycz_pcdbEntities()) { entities.Configuration.LazyLoadingEnabled = false; var comp = entities.computers.Where(c => c.idcomputer == computer.idcomputer).Include(c => c.user) .Include(c => c.computer_parameters).Include(c => c.o) .Include(c => c.computer_type).Include(c => c.computer_brand).FirstOrDefault(); // for dropdown list makeViewBag(entities, comp); return(View("EditComputer", comp)); } }
public override void Calc() { computer com = new computer(); com.inputProgram = input; // com.inputs.Enqueue(0); com.Init(); while (!com.done) { if (whites.Contains(new PointS(pos.X, pos.Y))) { com.inputs.Enqueue(1); } else { com.inputs.Enqueue(0); } com.Calc(); if (com.outputs.Dequeue() == 1) { whites.Add(new PointS(pos.X, pos.Y)); } else { whites.Remove(new PointS(pos.X, pos.Y)); } if (!countColor.Contains(new PointS(pos.X, pos.Y))) { countColor.Add((new PointS(pos.X, pos.Y))); } if (com.outputs.Dequeue() == 1) { currentDir = TurnFrom(currentDir, direction.right); } else { currentDir = TurnFrom(currentDir, direction.left); } move(currentDir); } output = countColor.Count + ""; }
public ActionResult Delete(int id) { using (TCMSDBEntities dc = new TCMSDBEntities()) { computer aa = new computer(); var v = dc.repairs.Where(a => a.repair_id == id).FirstOrDefault(); if (v != null) { return(View(v)); } else { return(HttpNotFound()); } } }
public AddComputerVM(ChangeStatus status, ObservableCollection <computer> source, CollectionView sourceView, computer selectedItem) { var dal = new DataLayer(); var date = DateTime.Now.Year; List <int> list = new List <int>(); for (var i = date; i > date - 10; i--) { list.Add(i); } Tahuns = (CollectionView)CollectionViewSource.GetDefaultView(list); this.HardisksView = (CollectionView)CollectionViewSource.GetDefaultView(dal.Hardisks); this.RamsView = (CollectionView)CollectionViewSource.GetDefaultView(dal.Rams); this.ProccesorsView = (CollectionView)CollectionViewSource.GetDefaultView(dal.Proccessors); this.LcdsView = (CollectionView)CollectionViewSource.GetDefaultView(dal.Lcds); IDataCollection <producent> pr = new ProducentCollections(); this.ProducentView = (CollectionView)CollectionViewSource.GetDefaultView(pr.GetData()); this.source = source; this.sourceView = sourceView; this.selectedItem = selectedItem; this.status = status; SaveCommand = new CommandHandler { CanExecuteAction = SaveValidation, ExecuteAction = SaveAction }; if (status == ChangeStatus.Edit) { this.Hardisk = selectedItem.Hardisk; this.Id = selectedItem.Id; this.LCD = selectedItem.LCD; this.Memory = selectedItem.Memory; this.Name = selectedItem.Name; this.Price = selectedItem.Price; this.Proccesor = selectedItem.Proccesor; this.ProducentId = selectedItem.ProducentId; this.ProducentName = this.ProducentName; this.Series = this.Series; } }
void TryCombo(string ord) { int res = 0; var order = Tools.StringToIntArray(ord); Console.WriteLine(Tools.ArrayToString(order)); for (int i = 0; i < 5; i++) { computer c = new computer(); c.inputProgram = input; c.inputs.Enqueue(order[i]); c.inputs.Enqueue(res); c.Calc(); res = c.output; } output2 = Math.Max(output2, res); }
private void SaveAction(object obj) { if (this.status == ChangeStatus.New) { var item = this; item.ProducentName = ProducentSelected.Name; var coll = new ComputerCollections(); var res = coll.Add(item); if (res > 0) { item.Id = res; MessageBox.Show("Data Berhasil Disimpan"); this.source.Add(item); this.sourceView.Refresh(); this.selectedItem = item; WindowClose(); } else { MessageBox.Show("Data Gagal Disimpan"); } } else if (this.status == ChangeStatus.Edit) { var item = this; item.ProducentName = ProducentSelected.Name; var coll = new ComputerCollections(); var isUpdated = coll.Update(item); if (isUpdated) { MessageBox.Show("Data Berhasil Disimpan"); this.sourceView.Refresh(); this.selectedItem = item; } else { MessageBox.Show("Data Gagal Disimpan"); } } }
public override void Calc() { computer com = new computer(); long count = 0; for (int i = 0; i <= 49; i++) { for (int j = 0; j <= 49; j++) { com.inputProgram = input; com.Init(); com.inputs.Enqueue(i); com.inputs.Enqueue(j); com.Calc(); // Console.Write(com.outputs.Dequeue()); count += com.outputs.Dequeue(); } //Console.WriteLine(); } output = count + ""; }
public ActionResult Save(computer computerIn, string userInput, Nullable <int> idcomputer_parameters, Nullable <int> idcomputerBrand, Nullable <int> idcomputerType) { string userErrorMessage = "User name not found."; string computerErrorMessage = "Computer name is invalid or in use."; using (frycz_pcdbEntities entities = new frycz_pcdbEntities()) { if (!Validator.validComputerName(computerIn.name)) { ModelState.AddModelError("computerName", computerErrorMessage); entities.Configuration.LazyLoadingEnabled = false; var co = entities.computers.Where(c => c.idcomputer == computerIn.idcomputer) .Include(c => c.user).Include(c => c.computer_parameters).Include(c => c.o) .Include(c => c.computer_type).Include(c => c.computer_brand) .FirstOrDefault(); makeViewBag(entities, co); return(View("EditComputer", co)); } entities.Configuration.LazyLoadingEnabled = false; computer comp = entities.computers.FirstOrDefault(c => c.idcomputer == computerIn.idcomputer); try { Frycz_pcdb.user u = Validator.findUser(userInput); comp.iduser = u.iduser; } catch { var co = entities.computers.Where(c => c.idcomputer == computerIn.idcomputer) .Include(c => c.user).Include(c => c.computer_parameters).Include(c => c.o) .Include(c => c.computer_type).Include(c => c.computer_brand) .FirstOrDefault(); makeViewBag(entities, co); ModelState.AddModelError("userNotFound", userErrorMessage); return(View("EditComputer", co)); } // update computers comp.bpcs_sessions = computerIn.bpcs_sessions; comp.mac_address = computerIn.mac_address; comp.serial_number = computerIn.serial_number; comp.idos = computerIn.idos; comp.comment = computerIn.comment; comp.inventory_number = computerIn.inventory_number; if (idcomputer_parameters == null) { comp.idcomputer_parameters = null; } else { comp.computer_parameters = entities.computer_parameters.FirstOrDefault(e => e.idcomputer_parameters == idcomputer_parameters); } if (idcomputerBrand == null) { comp.idcomputer_brand = null; } else { comp.computer_brand = entities.computer_brand.FirstOrDefault(e => e.idcumputer_brand == idcomputerBrand); } comp.idcomputer_type = idcomputerType; comp.name = computerIn.name.ToUpper(); comp.guarantee = computerIn.guarantee; comp.last_update_time = DateTime.Now; entities.SaveChanges(); return(RedirectToAction("Index", "ComputerDetail", comp)); } }
public override void Calc() { screen = new char[h][]; for (int i = 0; i < h; i++) { screen[i] = new char[w]; for (int j = 0; j < w; j++) { screen[i][j] = ' '; } } spaces.Add(new point(0, 0)); // special.Add(new point(0, 0)); computer com = new computer(); com.inputProgram = input; // com.toLog = true; com.Init(); Random rng = new Random(); while (true) { com.Calc(); var dirn = 0; // Console.ReadLine(); var ch = findDir(); dirn = ch; bool isBack = false; if (dirn >= 1 && dirn <= 4) { com.inputs.Enqueue(dirn); com.Calc(); isBack = false; } else { if (moves.Count == 0) { break; } dirn = anti(moves.Pop()); com.inputs.Enqueue(dirn); com.Calc(); isBack = true; } if (com.outputs.Count > 0) { var o = com.outputs.Dequeue(); if (o == 0)//wall { switch (dirn) { case 1: walls.Add(new point(pos.x, pos.y + 1)); break; case 2: walls.Add(new point(pos.x, pos.y - 1)); break; case 3: walls.Add(new point(pos.x - 1, pos.y)); break; case 4: walls.Add(new point(pos.x + 1, pos.y)); break; } } else if (o == 1) //empty { switch (dirn) { case 1: spaces.Add(new point(pos.x, pos.y + 1)); pos.y++; break; case 2: spaces.Add(new point(pos.x, pos.y - 1)); pos.y--; break; case 3: spaces.Add(new point(pos.x - 1, pos.y)); pos.x--; break; case 4: spaces.Add(new point(pos.x + 1, pos.y)); pos.x++; break; } if (!isBack) { moves.Push(dirn); } } else if (o == 2)//found { switch (dirn) { case 1: special.Add(new point(pos.x, pos.y + 1)); pos.y++; break; case 2: special.Add(new point(pos.x, pos.y - 1)); pos.y--; break; case 3: special.Add(new point(pos.x - 1, pos.y)); pos.x--; break; case 4: special.Add(new point(pos.x + 1, pos.y)); pos.x++; break; } if (!isBack) { moves.Push(dirn); } } } /* clear(); * setScreen(); * Console.Clear(); * writeScreen();*/ //Thread.Sleep(50); } // clear(); setScreen(); // Console.Clear(); // writeScreen(); oxygen.Add(special[0]); while (special.Contains(oxygen[0])) { special.Remove(special[0]); } int ox = w / 2 - pos.x; int oy = h / 2 - pos.y; int timer = 0; while (true) { List <point> more = new List <point>(); foreach (var o in oxygen) { if (screen[o.y + 1 + oy][o.x + ox] == '.') { more.Add(new point(o.x, o.y + 1)); } if (screen[o.y - 1 + oy][o.x + ox] == '.') { more.Add(new point(o.x, o.y - 1)); } if (screen[o.y + oy][o.x + 1 + ox] == '.') { more.Add(new point(o.x + 1, o.y)); } if (screen[o.y + oy][o.x - 1 + ox] == '.') { more.Add(new point(o.x - 1, o.y)); } } if (more.Count > 0) { foreach (var a in more) { oxygen.Add(a); } // clear(); setScreen(); //Console.Clear(); //writeScreen(); timer++; } else { output = timer + ""; break; } } /* clear(); * setScreen(); * Console.Clear(); * writeScreen(); */ }
public static void logComputer(computer computer, string operationMessage, IPrincipal user, frycz_pcdbEntities entities) { logToDB(operationMessage + " computer: " + computer.name, entities, user.Identity.Name); }
public static void logComputer(computer computer, string operationMessage, IPrincipal user) { logToDB(operationMessage + " computer: " + computer.name, user.Identity.Name); }
public ActionResult save(FormCollection formCollection, int count, computer computerIn, string userInput, Nullable <int> idcomputer_parameters, Nullable <int> idcomputerBrand, Nullable <int> idcomputerType, string guar) { //check if all input computer`s names are not same. List <computer> computers = new List <computer>(); for (int i = 1; i <= count; i++) { computer comp = new computer(); string pcname = formCollection[i.ToString()]; comp.name = pcname; foreach (computer computer in computers) { if (computer.name.Equals(pcname)) { ModelState.AddModelError("eqcomp", "Computer's names can not be same."); return(returnValidationMessage(computerIn, count, formCollection)); } } computers.Add(comp); } using (frycz_pcdbEntities entities = new frycz_pcdbEntities()) { for (int i = 1; i <= count; i++) { computer comp = new computer(); string pcname = formCollection[i.ToString()]; if (!Validator.validComputerName(pcname)) { ModelState.AddModelError("eqcomp", "Some computer name is not valid"); return(returnValidationMessage(computerIn, count, formCollection)); } if (Validator.checkExistComputer(pcname, entities)) { ModelState.AddModelError("eqcomp", "Some computer name is already exist."); return(returnValidationMessage(computerIn, count, formCollection)); } try { Frycz_pcdb.user user = Validator.findUser(userInput); comp.iduser = user.iduser; } catch { ModelState.AddModelError("userNotFound", "User not found. "); return(returnValidationMessage(computerIn, count, formCollection)); } comp.bpcs_sessions = computerIn.bpcs_sessions; comp.mac_address = computerIn.mac_address; comp.serial_number = computerIn.serial_number; comp.idos = computerIn.idos; comp.comment = computerIn.comment; comp.inventory_number = computerIn.inventory_number; if (idcomputer_parameters == null) { comp.idcomputer_parameters = null; } else { comp.computer_parameters = entities.computer_parameters.FirstOrDefault(e => e.idcomputer_parameters == idcomputer_parameters); } if (idcomputerBrand == null) { comp.idcomputer_brand = null; } else { comp.computer_brand = entities.computer_brand.FirstOrDefault(e => e.idcumputer_brand == idcomputerBrand); } comp.idcomputer_type = idcomputerType; comp.name = pcname.ToUpper(); comp.guarantee = computerIn.guarantee; comp.create_time = DateTime.Now; comp.last_update_time = DateTime.Now; entities.computers.Add(comp); Logger.logComputer(comp, "Add", User, entities); } entities.SaveChanges(); } return(RedirectToAction("Index", "AllComputer")); }
public static bool checkExistComputer(computer computer) { return(checkExistComputer(computer.name)); }
return(computer.Memory.GetOrAdd((int)ResolveAddress(computer, parameter), 0));
public override void Calc() { com = new computer(); com.inputProgram = input; com.Init(); com.Calc(); var res = ""; foreach (var a in com.outputs) { res += ((char)a); } visited.Add("", res); toExplore.Push(""); while (toExplore.Count > 0) { var p = toExplore.Pop(); if (p != "") { var expRes = explore(p); // Console.WriteLine("Path: {0}", p); //Console.WriteLine("log: {0}", expRes); // Console.ReadLine(); visited.Add(p, expRes); } var l = checkDirs(p, visited[p]); foreach (var entry in l) { toExplore.Push(entry); } } com.Calc(); var cout = ""; foreach (var a in com.outputs) { cout += ((char)a); } travelTo(pathToGoal);; QueueCom("inv"); com.Calc(); var itemString = getRes(); List <string> itemsList = getItems(itemString); var comboList = GenerateCombinations(itemsList); foreach (var combo in comboList) { OrganiseInv(combo); QueueCom(fullAct(dirToGoal)); com.Calc(); cout = getRes(); if (!cout.Contains("Alert")) { var st = cout.IndexOf("typing") + "typing".Length + 1; var ed = cout.IndexOf(" ", st); output = cout.Substring(st, ed - st); break; } } }
private void makeViewBag(frycz_pcdbEntities entities, computer comp) { // add type list for drop down list var listTypePc = new List <SelectListItem>(); foreach (var pctype in entities.computer_type.ToList()) { var item = new SelectListItem() { Text = pctype.name, Value = pctype.idcomputer_type.ToString() }; if (comp.computer_type != null) { if (pctype.idcomputer_type == comp.idcomputer_type) { item.Selected = true; } } listTypePc.Add(item); } ViewBag.type = listTypePc; // add list os for dropdown list var listOs = new List <SelectListItem>(); foreach (var os in entities.os.ToList()) { var item = new SelectListItem() { Text = os.name + " x" + os.version, Value = os.idos.ToString() }; if (comp.idos == os.idos) { item.Selected = true; } listOs.Add(item); } ViewBag.os = listOs; var listmodel = new List <SelectListItem>(); var modelEmpty = new SelectListItem() { Text = null, Value = null }; listmodel.Add(modelEmpty); foreach (var model in entities.computer_brand.ToList()) { var item = new SelectListItem() { Text = model.model + " " + model.maker, Value = model.idcumputer_brand.ToString() }; if (model.idcumputer_brand == comp.idcomputer_brand) { item.Selected = true; } listmodel.Add(item); } ViewBag.model = listmodel; var listparam = new List <SelectListItem>(); var Emptyitem = new SelectListItem() { Text = null, Value = null }; listparam.Add(Emptyitem); foreach (var param in entities.computer_parameters.ToList()) { var item = new SelectListItem() { Text = param.processor + " " + param.ram + " GB " + param.hdd + " GB", Value = param.idcomputer_parameters.ToString() }; if (param.idcomputer_parameters == comp.idcomputer_parameters) { item.Selected = true; } listparam.Add(item); } ViewBag.parameters = listparam; if (comp.discardedDate == null) { ViewBag.discarded = "In use"; } else { ViewBag.discarded = comp.discardedDate; } }