ASP.NET入门教程 13.3.1 购物对象[3]

（）添加如下代码创建一个购物车商品对象称为CartItem

Imports MicrosoftVisualBasic

Imports SystemData

Imports SystemDataSqlClient

Imports SystemCollectionsGeneric

Namespace WroxCommerce

<Serializable()> _

Public Class CartItem

Private _productID As Integer

Private _productName As String

Private _productImageUrl As String

Private _quantity As Integer

Private _price As Double

Private _lineTotal As Double

Public Sub New()

End Sub

Public Sub New(ByVal ProductID As Integer ByVal ProductName As String ByVal ProductImageUrl As String ByVal Quantity As Integer ByVal Price As Double)

_productID = ProductID

_productName = ProductName

_productImageUrl = ProductImageUrl

_quantity = Quantity

_price = Price

_lineTotal = Quantity * Price

End Sub

Public Property ProductID() As Integer

Get

Return _productID

End Get

Set(ByVal value As Integer)

_productID = value

End Set

End Property

Public Property ProductName() As String

Get

Return _productName

End Get

Set(ByVal value As String)

_productName = value

End Set

End Property

Public Property ProductImageUrl() As String

Get

Return _productImageUrl

End Get

Set(ByVal value As String)

_productImageUrl = value

End Set

End Property

Public Property Quantity() As Integer

Get

Return _quantity

End Get

Set(ByVal value As Integer)

_quantity = value

End Set

End Property

Public Property Price() As Double

Get

Return _price

End Get

Set(ByVal value As Double)

_price = value

End Set

End Property

Public ReadOnly Property LineTotal() As Double

Get

Return _quantity * _price

End Get

End Property

End Class

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