MVC ASP.NET Pas de constructeur sans paramètre défini pour cet objet

Lorsque je clique sur soumettre pour créer un compte, le message d'erreur suivant est affiché. Je ne trouve pas pourquoi il donne l'erreur suivante. Aussi j'ai essayé d'utiliser les points d'arrêt et de débogage, mais il était inutile de

Pas de constructeur sans paramètre défini pour cet objet.

Description: Une exception non gérée s'est produite lors de l'exécution de
la demande web actuelle. Veuillez consulter la trace de la pile pour plus d'
informations sur l'erreur et où elle a son origine dans le code.

Détails De L'Exception: System.MissingMethodException: Pas sans paramètre
constructeur défini pour cet objet.

Source De L'Erreur:

Une exception non gérée s'est produite lors de l'exécution de la
demande web actuelle. Informations concernant l'origine et l'emplacement de
l'exception peut être identifié à l'aide de la trace de pile d'exception ci-dessous.

AccountController.cs

    [HandleError]
        public ActionResult CreateNewFixedBankAccount()
        {
            ViewBag.AccountFromList = new SelectList(
           ManageAccount.Instance.GetAccounts(), "accountID", "name");
            ViewBag.AccountTypes = new SelectList(ManageAccountType.Instance.GetNonFixedTypes(), "id", "type");
            ViewBag.Durations = new SelectList(ManageDuration.Instance.GetAllDurations(), "id", "duration1");


            ViewBag.Currencies = new SelectList(ManageCurrency.Instance.getCurrencies(), "id", "symbol");
            return View();


        }

        //
        //POST: /Account/CreateNewFixedBankAccount
        [HttpPost]
        [HandleError]
        public ActionResult CreateNewFixedBankAccount(ViewModel.NewAccountViewModel model, string username)
        {

            return View();
        }

___________________________________________________________________________________________

CreateNewFixedBankAccount.cshtml
Le bouton "soumettre" ci-dessous donne l'erreur

    @model internetBankingApplication.ViewModel.NewFixedAccountViewModel    
@{
ViewBag.Title = "CreateNewFixedBankAccount";
}
@using (Html.BeginForm())
{
ViewBag.Title = "Create";
Layout = "~/Views/Shared/_Layout.cshtml";
<fieldset>
<legend>Fixed Account Details</legend>
<div class="editor-label">
<br />
<b>@Html.LabelFor(model => model.Name)</b>
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Name)
</div>
<div class="editor-label">
<br />
<b> @Html.LabelFor(model => model.UserName)</b>
</div>
<div class="editor-field">
@Html.EditorFor(model => model.UserName)
</div>
<div class="editor-label">
<br />
<b> @Html.Label("Account From")</b>
</div>
<div class="editor-field">
@Html.DropDownListFor(model => model.accountFrom, (SelectList)ViewBag.AccountFromList)
</div>
<div class="editor-label">
<br />
<b>  @Html.LabelFor(model => model.AvailableBalance)</b>
</div>
<div class="editor-field">
@Html.EditorFor(model => model.AvailableBalance)
</div>
<div class="editor-label">
<br />
<b>@Html.LabelFor(model => model.currency)</b>
</div>
<div class="editor-field">
@Html.DropDownListFor(model => model.currency, (SelectList)ViewBag.Currencies)
</div>
<div class="editor-label">
<br />
<b>  @Html.LabelFor(model => model.Description)</b>
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Description)
</div>
<div class="editor-label">
<br />
<b> @Html.LabelFor(model => model.DateOpened)</b>
</div>
<div class="editor-field">
@Html.EditorFor(model => model.DateOpened)
</div>
<div class="editor-label">
<br />
<b> @Html.Label("Account Duration")</b>
</div>
<div class="editor-field">
@Html.DropDownListFor(model => model.duration, (SelectList)ViewBag.Durations)
&nbsp;
@Html.ActionLink("View Duration Details","DurationDetails","Duration")
</div>
<div class="editor-label">
<br />
<b> @Html.Label("Account Renew")</b>
</div>
<div class="editor-field">
@Html.CheckBoxFor(model => model.renew)
</div>
<p>
<input type="submit" value="CreateNewFixedBankAccount" /></p>
</fieldset>
}
___________________________________________________________________________________________

NewFixedAccountViewModel.cs

Ce modèle de vue obtiendrez les détails qui ont à faire avec le compte de différentes tables dans la base de données.

    public class NewFixedAccountViewModel
{
private account _Account { get; set; }
private fixedAccount _FixedAccount { get; set; }
private int AccountFrom { get; set; }
public SelectList AccountTypes { get; set; }
public SelectList Durations { get; set; }
public SelectList AccountFromList { get; set; }
public SelectList Currencies { get; set; }
public int ID
{
get
{
return _Account.accountID;
}
}
[Required]
[Display(Name = "Account Name")]
public string Name
{
get
{
return _Account.name;
}
set
{
_Account.name = value;
}
}
[Required]
[Display(Name = "Account From")]
public int accountFrom
{
get
{
return accountFrom;
}
set
{
accountFrom = value;
}
}
public string AccountFromName
{
get
{
string result = string.Empty;
try
{
result = ManageAccount.Instance.GetAccountBYID(accountFrom).name;
}
catch { }
return result;
}
}
[Required]
[Display(Name = "Account Type")]
public int typeID
{
get
{
return _Account.typeID;
}
set
{
_Account.typeID = value;
}
}
public string AccountTypeName
{
get
{
string result = string.Empty;
try
{
result = ManageAccountType.Instance.getTypesByID(_Account.typeID).type;
}
catch { }
return result;
}
}
[Required]
[Display(Name = "Duration")]
public int duration
{
get
{
return _FixedAccount.duration;
}
set
{
_FixedAccount.duration = value;
}
}
public string durationName
{
get
{
string result = string.Empty;
try
{
result = ManageDuration.Instance.GetDurationById(_FixedAccount.duration).duration1;
}
catch { }
return result;
}
}
[Required]
[Display(Name = "Available Balance")]
public decimal AvailableBalance
{
get
{
return _Account.availableBalance;
}
set
{
_Account.availableBalance = value;
}
}
[Required]
[Display(Name = "Currency")]
public int currency
{
get
{
return _Account.currency;
}
set
{
_Account.currency = value;
}
}
public string CurrencyName
{
get
{
string result = string.Empty;
try
{
result = ManageCurrency.Instance.getTypesByID(_Account.currency).name;
}
catch { }
return result;
}
}
[Required]
[Display(Name = "Account Description")]
public string Description
{
get
{
return _Account.description;
}
set
{
_Account.description = value;
}
}
[Required]
[Display(Name = "Account Renew")]
public bool renew
{
get
{
if (_FixedAccount.renew == 0)
{
return false;
}
return true;
}
set
{
if (value == false)
{
_FixedAccount.renew = 0;
}
else
{
_FixedAccount.renew = 1;
}
}
}
[Required]
[Display(Name = "Date Opened")]
public DateTime DateOpened
{
get
{
return _Account.dateOpened;
}
set
{
_Account.dateOpened = value;
}
}
[Required]
[Display(Name = "Username")]
public string UserName
{
get
{
return _Account.username;
}
set
{
_Account.username = value;
}
}
public NewFixedAccountViewModel(string username)
{
AccountTypes = new SelectList(
ManageAccountType.Instance.getTypes(), "id", "type", _Account.typeID);
AccountFromList = new SelectList(
ManageAccount.Instance.GetUserAccounts(username), "accountID", "name", accountFrom);
Currencies = new SelectList(
ManageCurrency.Instance.getCurrencies(), "id", "name", _Account.currency);
Durations = new SelectList(
ManageDuration.Instance.GetAllDurations(), "id", "duration", _FixedAccount.duration);
}
public NewFixedAccountViewModel(int accountID, string username)
{
_Account = ManageAccount.Instance.GetAccountBYID(accountID);
_FixedAccount = ManageFixedAccount.Instance.GetFixedAccountByID(accountID);
AccountFromList = new SelectList(
ManageAccount.Instance.GetUserAccounts(username), "accountID", "name", accountFrom);
AccountTypes = new SelectList(
ManageAccountType.Instance.getTypes(), "id", "type", _Account.accountType);
Currencies = new SelectList(
ManageCurrency.Instance.getCurrencies(), "id", "name", _Account.currency);
Durations = new SelectList(
ManageDuration.Instance.GetAllDurations(), "id", "duration", _FixedAccount.duration);
}

OriginalL'auteur Anna Marie Rapa | 2013-05-01