Hi all,

I would like to manage 4 checkbox in my radtreeview.
Here's the code :


<telerik:RadTreeView ID="rtv" Height="250px" Width="350px" BorderStyle="Solid" BorderWidth="2px" BorderColor="Black" runat="server" 
Font-Names="Calibri" Font-Size="10px" CheckBoxes="true" CheckChildNodes="true" TriStateCheckBoxes="True">   
<NodeTemplate>
<asp:Label ID="lbl_equipe" Width="100px" Font-Size="10px" runat="server"><%# DataBinder.Eval(Container.DataItem, "EQUIPE")%></asp:Label>
<asp:CheckBox onclick="return false;" Text="I" Font-Size="8px" TextAlign="Left" Checked="false" ID="primo_operatore" runat="server"/>
<asp:CheckBox onclick="return false;" Text="II" Font-Size="8px" TextAlign="Left" ID="secondo_operatore" runat="server"/>
<asp:CheckBox onclick="return false;" Text="III" Font-Size="8px" TextAlign="Left" ID="terzo_operatore" runat="server"/>
</NodeTemplate>
</telerik:RadTreeView>

One checkbox is the built-in checkbox (CheckBoxes="true")
The other three cbx are inside nodetemplate.
I want to achieve two goals :
1. When user check (uncheck) the native checkbox the remaining three are checked (unchecked) goal achieved

2. When user check/uncheck one of the three template checkboxes nothing should happen..problem

I use the nodecheck event handler to get first goal (in code behind)
This event fires not just for the native checkbox but even for the remaining three!
How can I distinguish the element in order to prevent the nodecheck event  for the template checkboxes and let it fire for the single 
one ?
I've tried in code behind inside the event routine but the e.node is referred to the whole nodetemplate and I can't get the single elements in.
Here's my code:

 Private Sub rtv_NodeCheck(ByVal sender As Object, ByVal e As Telerik.Web.UI.RadTreeNodeEventArgs) Handles rtv.NodeCheck


        Dim chk1 As CheckBox = DirectCast(e.Node.FindControl("primo_operatore"), CheckBox)
        Dim chk2 As CheckBox = DirectCast(e.Node.FindControl("secondo_operatore"), CheckBox)
        Dim chk3 As CheckBox = DirectCast(e.Node.FindControl("terzo_operatore"), CheckBox)

'Code to prevent the event if sender is one of three checkbox NodeCheck 
' (??????????????????????????????????)

        If e.Node.Level <> 1 Then Exit Sub 'event just for level 1 nodes


        'parent nodes loop
        For Each nd As RadTreeNode In rtv.Nodes


            'When parent node is checked then start looping through all parent nodes looking for same nodetext
'If same node text is found then its checkbox is checked
           
            If e.Node.Checked = True Then


                'Enable node-template checkboxes
                DirectCast(e.Node.FindControl("primo_operatore"), CheckBox).Checked = True
                DirectCast(e.Node.FindControl("secondo_operatore"), CheckBox).Checked = True
                DirectCast(e.Node.FindControl("terzo_operatore"), CheckBox).Checked = True

'Child nodes loop
                For Each sub_nd As RadTreeNode In nd.Nodes
                    If sub_nd.Checked = False Then
                        Dim txt As String = sub_nd.Text 
                        If txt = e.Node.Text Then 'Node text comparison
                            sub_nd.Checked = True
                            sub_nd.ParentNode.Expanded = True

'For each parent node checked the checkboxes inside template-childnode are checked
                            DirectCast(sub_nd.FindControl("primo_operatore"), CheckBox).Checked = True
                            DirectCast(sub_nd.FindControl("secondo_operatore"), CheckBox).Checked = True
                            DirectCast(sub_nd.FindControl("terzo_operatore"), CheckBox).Checked = True


                        End If
                    End If
                Next


            Else
                'When parent node is unchecked then start looping through all parent nodes looking for same nodetext
'If same node text is found then its checkbox is unchecked


                'Disable node-template checkboxes
                DirectCast(e.Node.FindControl("primo_operatore"), CheckBox).Checked = False
                DirectCast(e.Node.FindControl("secondo_operatore"), CheckBox).Checked = False
                DirectCast(e.Node.FindControl("terzo_operatore"), CheckBox).Checked = False

'Child nodes loop
                For Each sub_nd As RadTreeNode In nd.Nodes
                    If sub_nd.Checked = True Then
                        Dim txt As String = sub_nd.Text
                        If txt = e.Node.Text Then
                            sub_nd.Checked = False
                            sub_nd.ParentNode.Expanded = False

'For each parent node unchecked the checkboxes inside template-childnode are unchecked
                            DirectCast(sub_nd.FindControl("primo_operatore"), CheckBox).Checked = False
                            DirectCast(sub_nd.FindControl("secondo_operatore"), CheckBox).Checked = False
                            DirectCast(sub_nd.FindControl("terzo_operatore"), CheckBox).Checked = False
                        End If
                    End If
                Next
            End If
        Next

    End Sub

English is not my language, hope I was understandable.
Thanks in advance

GZ

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