masert上的TABLE中，新建一个linkButton ，事件不能触发

    下面的代码新建一个linkButton ，事件不能触发，有谁知道如何处发吗，是table里面的

 

 TdSubMenu2_2.Attributes.Add("onmouseover", strOnmouseover)                        TdSubMenu2_2.Attributes.Add("onmouseout", strOnmouseout)                        Dim linkButton As LinkButton = Nothing                        If SubMuen Is Nothing Then                            linkButton = New LinkButton()                            subMenuCount = subMenuCount + 1                            linkButton.ID = "Lbtn" & i & j                            '子菜单的内容                            linkButton.Text = dataRowSubmenu(j).Item("SubMenuName").ToString()                            '子菜单的连接地址                            linkButton.PostBackUrl = dataRowSubmenu(j).Item("SubMenuUrl").ToString()                            linkButton.CommandName = "Lbtn"                            linkButton.CommandArgument = i & j                            AddHandler linkButton.Command, AddressOf Select_Command                            hastable.Add(linkButton.ID, linkButton)                        Else                            linkButton = CType(SubMuen.Item("Lbtn" & i & j), LinkButton)                        End If                        TdSubMenu2_2.Controls.Add(linkButton)                        TrSubMenu2.Cells.Add(TdSubMenu2_2)