get value control listview from server side

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C#

ASP.NET

ListView

hi i have ListView with image
in event OnItemDeleting i get id fields and delete from database
and i want delete image from ftp,
i use " Label a = (Label)ListView1.EditItem.FindControl(Label1);" for get name image
but,it's don't work

<pre lang="xml">protected void ListView1_OnItemDeleting(object sender, ListViewDeleteEventArgs e)
    {
        int id = int.Parse(ListView1.DataKeys[e.ItemIndex].Value.ToString());

        Label a = (Label)ListView1.EditItem.FindControl(Label1);
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</pre>

<pre lang="HTML">
 <asp:ListView ID="ListView1"
          DataKeyNames="ID_Pic"
          RepeatColumns="5"
          RepeatDirection="Horizontal"
          DataKeyField="ID_Pic"
          OnItemEditing="ListView1_OnItemEditing"
          OnItemCanceling="ListView1_OnItemCanceling"
          OnItemUpdating="ListView1_OnItemUpdating"
          OnItemDeleting="ListView1_OnItemDeleting"
         runat="server" OnPreRender="ListView1_OnPreRender">
         <LayoutTemplate>
      <div>
      <ul class="hoverbox">
      <asp:PlaceHolder ID="itemPlaceholder" runat="server" />
      </ul>
   </div>
    </LayoutTemplate>
   <ItemTemplate>
   <asp:Label ID="Label1" runat="server" Visible="False" Text='<%# Eval("PinNameMD5") %>'></asp:Label>
   <asp:Label ID="lbl2ID_Pic" runat="server" Visible="False" Text='<%# Eval("ID_Pic") %>'></asp:Label>
   <li>
   <div style="width: auto; height: auto;">
    <a >
  <img src='<%# Eval("PinNameMD5") %>' alt='<%# Eval("Alt_Txt") %>' />
  <img src='<%# Eval("PinNameMD5") %>' alt='<%# Eval("Alt_Txt") %>' class="preview" />
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</pre>