ASP.NET：自定义实体类

ASP.NET：自定义实体类

什么是自定义实体？

自定义实体是代表业务域的对象，因此，它们是业务层的基础。如果您有一个用户身份验证功能（本文通篇都使用该示例进行讲解），您就可能具有 User 和 Role 对象。电子商务系统可能具有 Supplier 和 Merchandise 对象，而房地产公司则可能具有 House、Room 和 Address 对象。在您的代码中，自定义实体只是一些类（实体和“类”之间具有非常密切的关系，就像在 OO 编程中使用的那样）。一个典型的 User 类可能如下所示：

[vb]
'Visual Basic .NET
声明User信息表类
Public Class UserE

#Region "Fields and Properties"
定义表中各种信息
    Private _UserID As String

Private _PWD As String

Private _Level As String

Private _UserName As String

    Private _Head As String

    '对User表中字段UserID的存取
    Public Property UserID() As String
        Get
            Return _UserID

        End Get
        Set(value As String)
            _UserID = value

        End Set
    End Property

    '对user表中字段密码的存取
    Public Property PWD() As String
        Get
            Return _PWD

        End Get
        Set(value As String)

            _PWD = value

        End Set
    End Property

    '对User表中字段Level的存取
    Public Property Level() As String
        Get
            Return _Level

        End Get
        Set(value As String)
            _Level = value

        End Set
    End Property
    '对user表中字段UserName的存取

    Public Property UserName() As String
        Get
            Return _UserName

        End Get
        Set(value As String)
            _UserName = value

        End Set
    End Property

    '对User表中字段Head的存取
    Public Property Head() As String
        Get
            Return _Head

        End Get
        Set(value As String)
            _Level = value

        End Set
    End Property


End Class

'Visual Basic .NET
声明User信息表类
Public Class UserE

#Region "Fields and Properties"
定义表中各种信息
Private _UserID As String

Private _PWD As String

Private _Level As String

Private _UserName As String

Private _Head As String

    '对User表中字段UserID的存取
    Public Property UserID() As String
        Get
            Return _UserID

        End Get
        Set(value As String)
            _UserID = value

        End Set
    End Property

    '对user表中字段密码的存取
    Public Property PWD() As String
        Get
            Return _PWD

        End Get
        Set(value As String)

            _PWD = value

        End Set
    End Property

    '对User表中字段Level的存取
    Public Property Level() As String
        Get
            Return _Level

        End Get
        Set(value As String)
            _Level = value

        End Set
    End Property
    '对user表中字段UserName的存取

    Public Property UserName() As String
        Get
            Return _UserName

        End Get
        Set(value As String)
            _UserName = value

        End Set
    End Property

    '对User表中字段Head的存取
    Public Property Head() As String
        Get
            Return _Head

        End Get
        Set(value As String)
            _Level = value

        End Set
    End Property

End Class
&n

补充：Web开发 , ASP.Net ,