Bonjour,

J'ai cree un deux treeview je voudrais juste rafraichir un treeview lorsque je coche une checkbox du treeview.

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 <asp:UpdatePanel ID="UpdatePanel1"   runat="server">
<ContentTemplate>
<table id="TABLE1"  runat="server" style="text-align: left">
<tr>
 <td style="height: 209px">
<asp:TreeView id="Tree_app"  runat="server" ImageSet="Simple"  ShowCheckBoxes="All" Font-Names="Calibri" ForeColor="Black"                                           OnSelectedNodeChanged="Tree_app_SelectedNodeChanged" ShowLines="True" >
<ParentNodeStyle Font-Bold="False"></ParentNodeStyle>
<HoverNodeStyle ForeColor="Gray" Font-Underline="True"></HoverNodeStyle>
<SelectedNodeStyle HorizontalPadding="0px" ForeColor="Gray" VerticalPadding="0px" Font-Underline="True"></SelectedNodeStyle>
 <NodeStyle NodeSpacing="0px" HorizontalPadding="0px" ForeColor="Black" VerticalPadding="0px" Font-Size="10pt" Font-Names="Calibri"></NodeStyle>
<LeafNodeStyle ForeColor="Black" />
</asp:TreeView>
 </td>
<td style="width: 121px; height: 209px;">
<asp:TreeView id="Tree_app_opt" runat="server" ImageSet="Simple" ShowCheckBoxes="All" Font-Names="Calibri" ForeColor="Black" ShowLines="True" >
<ParentNodeStyle Font-Bold="False"></ParentNodeStyle>
<HoverNodeStyle ForeColor="Gray" Font-Underline="True"></HoverNodeStyle>
<SelectedNodeStyle HorizontalPadding="0px" ForeColor="Gray" VerticalPadding="0px" Font-Underline="True"></SelectedNodeStyle>
<NodeStyle NodeSpacing="0px" HorizontalPadding="0px" ForeColor="Black" VerticalPadding="0px" Font-Size="10pt" Font-Names="Calibri"></NodeStyle>
<LeafNodeStyle ForeColor="Black" />
</asp:TreeView>
Si j'utilise un triggers quel event je dois definir?