Hello,
I got a problem with Drag&Drop of a TreeNode. In a simple web project this false behaviour doesn't appear. But in my bigger project I have the following problem:
I got on an aspx site a simple TreeView control...
My code behind looks like this...
If i'm debugging into this event everytime the RadTreeNodeDragDropEventArgs are empty, that means, the e.SourceDragNode and the e.DestDragNode are nothing!
Does anybody has a solution for me or an idee how this can be?!
Thanks for help!!!
Best regards from Germany,
Steven***
I got a problem with Drag&Drop of a TreeNode. In a simple web project this false behaviour doesn't appear. But in my bigger project I have the following problem:
I got on an aspx site a simple TreeView control...
<form runat="server" id="telerik" > | |
<telerik:RadScriptManager runat="server" ID="RadScriptManager1" /> | |
<div> | |
<telerik:RadTreeView ID="myTreeView" runat="server" EnableDragAndDrop="True" | |
EnableDragAndDropBetweenNodes="true" OnNodeDrop="myTreeView_NodeDrop"> | |
</telerik:RadTreeView> | |
</div> | |
<asp:LinkButton ID="newpagelink" Text="" OnClick="AddTab_Click" class="normal" runat="server" /> | |
</form> | |
My code behind looks like this...
... | |
Protected Sub myTreeView_NodeDrop(ByVal sender As Object, ByVal e As Telerik.Web.UI.RadTreeNodeDragDropEventArgs) | |
Dim sourceNode As RadTreeNode = e.SourceDragNode | |
Dim destNode As RadTreeNode = e.DestDragNode | |
Dim dropPosition As RadTreeViewDropPosition = e.DropPosition | |
If destNode IsNot Nothing Then | |
If sourceNode.TreeView.SelectedNodes.Count <= 1 Then | |
PerformDragAndDrop(dropPosition, sourceNode, destNode) | |
ElseIf sourceNode.TreeView.SelectedNodes.Count > 1 Then | |
For Each node As RadTreeNode In sourceNode.TreeView.SelectedNodes | |
PerformDragAndDrop(dropPosition, node, destNode) | |
Next | |
End If | |
destNode.Expanded = True | |
sourceNode.TreeView.ClearSelectedNodes() | |
End If | |
End Sub | |
... | |
If i'm debugging into this event everytime the RadTreeNodeDragDropEventArgs are empty, that means, the e.SourceDragNode and the e.DestDragNode are nothing!
Does anybody has a solution for me or an idee how this can be?!
Thanks for help!!!
Best regards from Germany,
Steven***