Konvertieren von MVC Razor C# zu MVC Razor VB

Question

Ich konvertiere ein MVC C# -Projekt in MVC VB. Ich erhalte Fehler an dieser Stelle

<input name = "recipients" type="text" Class="form-control" 
     value="@ViewBag.Email" @(ViewBag.Email == null ? "disabled" null) /> 

Wie diese Fehlermeldungen == Ausdruck null zu erwarten MVC VB konvertieren ist nicht erklärt? Der Charakter kann nicht verwendet werden.

Hier ist der Code

<div Class="col-sm-12"> 
    <div Class="form-group"> 
     <button Class="btn btn-default" id="get-my-email- address">@Resources.Resource.Graph_GetEmailAddress_Button</button> 
    </div> 
</div> 
    } 
<div Class="col-sm-12"> 
<label for="user-email-address">@Resources.Resource.Graph_GetEmailAddress_Results_Label</label> 
<pre name = "user-email-address" >@ViewBag.Email</pre> 
</div> 

<h2>@Resources.Resource.Graph_SendMail_Heading</h2> 
<p>@Html.Raw(Resources.Resource.Graph_SendMail_Instruction)</p> 
@(Html.BeginForm("SendEmail", "Home")) 
{ 
<div Class="col-sm-12"> 
     <div Class="form-group"> 
      <label for="recipients">@Resources.Resource.Graph_SendMail_Recipients_Label</label> 
      <input name = "recipients" type="text" Class="form-control" value="@ViewBag.Email" @(ViewBag.Email == null ? "disabled" null) /> 
     </div> 
     <div Class="form-group"> 
      <label for="subject">@Resources.Resource.Graph_SendMail_Subject_Label</label> 
      <input name = "subject" type="text" Class="form-control" value="@Resources.Resource.Graph_SendMail_Subject_Text @Resources.Resource.App_Name_Short" @(ViewBag.Email == null ? "disabled" null) /> 
     </div> 
     <div Class="form-group"> 
      <button Class="btn btn-default @(ViewBag.Email == null ? "disabled" : null)">@Resources.Resource.Graph_SendMail_Button</button> 
      <input name = "email-address" value=@ViewBag.Email type="hidden" /> 
     </div> 
    </div> 
    } 
    <div Class="col-sm-12"> 
    <p Class="@(ViewBag.Message == null ? "hidden" : null)">@Html.Raw (ViewBag.Message)</p> 
</div> 

Answer 1

Ich denke, Ihr fehlt das ":" für die "else" in @ (? ViewBag.Email == null "disabled" HIER null) ?? sollte sein:

@(ViewBag.Email == null ? "disabled" : null)