click event of dynamicaly created link button is not firing

I have web page which inherit master page.

Their is  placeholder inside update panel to which i add my dynamicaly created a div which contain a link button (dynamicaly created).When i click link button div get disappear and link click event is not fired

 <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <asp:UpdatePanel ID="updatePanel1" runat="server">
    <ContentTemplate>

<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>

 </asp:UpdatePanel >
    </ContentTemplate>

  For Each row As DataRow In dtAPTM.Rows
            Dim dynDiv As New HtmlGenericControl("div")

            dynDiv.Style.Add(HtmlTextWriterStyle.Height, "150px")
          Dim link As LinkButton = New LinkButton()
            link.Text = "Apartment "
            link.ID = "LinkButtonTest" & (row("APTM_NO")) 
             AddHandler link.Click, AddressOf LinkButtonTest_Click
            dynDiv.Controls.Add(link)
            PlaceHolder1.Controls.Add(dynDiv)
 Next

 Private Sub LinkButtonTest_Click(sender As Object, e As EventArgs)
'Code
End Sub