我在其他几个项目中使用过这段代码,但这次我无法让它工作。
我正在尝试跟踪按钮控件的单击事件,但它只是没有触发。
我已经尝试重新加载 page.init 中的控件(我必须将 ControlsToLoad 从 viewstate 更改为 session 才能再次加载控件)但这也不起作用。
这是我用于测试目的的页面:
Inherits System.Web.UI.Page
Private ReadOnly Property ControlsToLoad() As List(Of String)
Get
If ViewState("ControlsToLoad") Is Nothing Then
ViewState("ControlsToLoad") = New List(Of String)()
End If
Return DirectCast(ViewState("ControlsToLoad"), List(Of String))
End Get
End Property
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If ControlsToLoad.Count > 0 Then
For Each sID As String In ControlsToLoad
createControl(sID)
Next
End If
If Not IsPostBack Then
loadControls()
End If
End Sub
Sub loadControls()
createControl(123)
ControlsToLoad.Add(123)
End Sub
Function createControl(ByVal sID As String)
Dim oTile As New Button
oTile.Text = Left(sID, 1)
oTile.ID = sID
oTile.Attributes("class") = "M_Tile_" & sID
AddHandler oTile.Click, AddressOf click
phMaze.Controls.Add(oTile)
oTile.Dispose()
oTile = Nothing
End Function
Protected Sub click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Response.Write("Here")
End Sub
任何帮助表示赞赏。
谢谢
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