無法添加ASP.NET MVC控制器

Question

我是ASP.NET MVC的新手，雖然可以在Web表單字段中調用自己的經驗豐富的程序員。 我正在學習MVC。試圖添加控制器與實體框架abolities。 這裏是低於模型類代碼：

Imports System.Data.Entity 
Public Class Users 
    Public Property ID() As Integer 
    Public Property Login() As String 
    Public Property Password() As String 
    Public Property Avatar() As Image 
    Public Property Country() As Integer 
    Public Property City() As Integer 
    Public Property Phone() As String 
    Public Property Email() As String 
    Public Property Registered() As Date 
End Class 
Public Class StopSaleDBContext 
    Inherits DbContext 
    Public Property Users() As DbSet(Of Users) 
End Class 

當我加入控制器我有錯誤無法檢索元數據從ProjectName.Users對象引用未設置到對象的實例。

Answer 1

編譯您的項目，然後重試。