定义了一个类,在Page_Load事件赋值后,但当在LinkButton1_Click事件中取数是为空了,不知为什么?难道在类中不能这样定义全局变量吗?(全部代码如下,请仁兄指点,先谢了!)
Imports System
Imports System.Web
Imports System.Web.UI
Public Class DeyiClass
Private Flags As String
Public Property _Flag() As String
Get
Return Flags
End Get
Set(ByVal Value As String)
Flags = Value
End Set
End Property
End Class
在WebFrom Page_Load事件中加入代码:
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If Not Page.IsPostBack Then
Dim NewClass As New DeyiClass
NewClass._Flag = "Z"
end if
end sub
Private Sub LinkButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LinkButton1.Click
dim StrTemp as string
Dim TempClass As New DeyiClass
strTemp=TempClass._Flag
end sub
Imports System
Imports System.Web
Imports System.Web.UI
Public Class DeyiClass
Private Flags As String
Public Property _Flag() As String
Get
Return Flags
End Get
Set(ByVal Value As String)
Flags = Value
End Set
End Property
End Class
在WebFrom Page_Load事件中加入代码:
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If Not Page.IsPostBack Then
Dim NewClass As New DeyiClass
NewClass._Flag = "Z"
end if
end sub
Private Sub LinkButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LinkButton1.Click
dim StrTemp as string
Dim TempClass As New DeyiClass
strTemp=TempClass._Flag
end sub
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Public Class DeyiClass
Private Flags As String
Public Property _Flag() As String
Get
Return Flags
End Get
Set(ByVal Value As String)
Flags = Value
End Set
End Property
End Class可以这样,在Set的时候,把值放入Session,Get的时候从Session里面取,要不值保存不了啊。
Public Property _Flag() As String不明白,在c#中 Property _Flag不带()的
整个程序的全局变量是没有的