Page.Load问题在ASP.NET 2.0中
-
04-07-2019 - |
题
我正在尝试使用名为Default.aspx的页面帮助另一个程序员,并使用代码隐藏部分,不幸的是我有点亏。
Partial Class _Default
Inherits OverheadClass
'A bunch of global variables here'
Private Sub page_load(ByVal sender As Object, ByVal e As System.Eventarts) Handles Me.Load
'Function goes here'
在OverheadClass中我们有
Public Sub Sub_OverheadClass_Load(ByVal sender As Object, ByVal e as System.EventArgs) Handles MyClass.Load
期望的效果是继承OverheadClass时,我们希望在页面上的load事件运行之前运行它的加载。可能有一个非常简单的答案,我错过了。
编辑:我忘了注意我们用VB编写,而不是C#,因为很多人习惯使用ASP。
解决方案
您应该能够覆盖OnLoad并首先调用基类的OnLoad,然后调用您的类,例如:
C#版本
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
// Do some stuff here
}
VB版
Protected Overrides Sub OnLoad(ByVal e As System.EventArgs)
MyBase.OnLoad(e)
' Do some stuff here
End Sub
其他提示
在VB中它将是:
Private Sub page_load(ByVal sender As Object, ByVal e As System.Eventarts) Handles Me.Load
Mybase.Sub_OverheadClass_Load(e)
End Sub
您的默认页面应继承OverheadClass
Partial Public Class _Default
Inherits OverheadClass
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
'Do some page stuff'
End Sub
End Class
OverheadClass应该继承System.Web.UI.Page
Public Class OverheadClass
Inherits System.Web.UI.Page
Public Sub Sub_OverheadClass_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyClass.Load
'Do some base stuff'
End Sub
End Class
Partial Class OverheadClass
Inherits System.Web.UI.Page
Protected Overrides Sub OnLoad(ByVal e As System.EventArgs)
MyBase.OnLoad(e)
End Sub
End Class
Partial Class _Default
Inherits OverheadClass
Protected Overrides Sub OnLoad(ByVal e As System.EventArgs)
MyBase.OnLoad(e)
End Sub
End Class
不隶属于 StackOverflow