Sep 28, 2017, 8:18 AM
[OPEN] [#1560] [4.4.1] Bug in Treepanel inside a dropdown
Hello
We recently upgraded a project from Ext.Net 2.3 to 4.4. We have a lot of dropdown with a treepanel as their components. These are not working correctly now, when expanding nodes the drop-down collapses and user needs to expand the dropdown again to navigate the tree.
I could reproduce this in examples project, based on treepanel with loader (.ashx).
Click Dropdown to expand, now expand some nodes and then their children, you will see the 'picker' element gets closed. This is annoying for the user.
We recently upgraded a project from Ext.Net 2.3 to 4.4. We have a lot of dropdown with a treepanel as their components. These are not working correctly now, when expanding nodes the drop-down collapses and user needs to expand the dropdown again to navigate the tree.
I could reproduce this in examples project, based on treepanel with loader (.ashx).
<%@ Page Language="C#" %>
<!DOCTYPE html>
<html>
<head runat="server">
<title>TreePanel with ajax proxy using HttpHandler - Ext.NET Examples</title>
<link href="/resources/css/examples.css" rel="stylesheet" />
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<h1>TreePanel with ajax proxy using HttpHandler</h1>
<ext:DropDownField runat="server" Width="500">
<Component>
<ext:TreePanel
ID="TreePanel1" RootVisible="False"
runat="server"
Title="Tree"
Height="300"
Width="200"
Shadow="false"
UseArrows="true"
AutoScroll="true"
ContainerScroll="true"
>
<Store>
<ext:TreeStore runat="server">
<Proxy>
<ext:AjaxProxy Url="TreeLoader.ashx" />
</Proxy>
</ext:TreeStore>
</Store>
<Root>
<ext:Node NodeID="0" Text="Root" />
</Root>
</ext:TreePanel>
</Component>
</ext:DropDownField>
</form>
</body>
</html>Click Dropdown to expand, now expand some nodes and then their children, you will see the 'picker' element gets closed. This is annoying for the user.
