Jul 24, 2013, 3:34 AM
[CLOSED] TreePanel is not refresh in button click
Hi,
TreePanel is not show when I bind TreePanel in button click event.
But when I call this in Page Load TreePanel is show.
How to refresh TreePanle dynamically from code behind.
TreePanel is not show when I bind TreePanel in button click event.
But when I call this in Page Load TreePanel is show.
How to refresh TreePanle dynamically from code behind.
<%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
private Ext.Net.NodeCollection BuildTree(Ext.Net.NodeCollection nodes)
{
if (nodes == null)
{
nodes = new Ext.Net.NodeCollection();
}
Ext.Net.Node root = new Ext.Net.Node();
root.Text = "Root";
root.Expanded = true;
nodes.Add(root);
string prefix = DateTime.Now.Second + "_";
for (int i = 0; i < 10; i++)
{
Ext.Net.Node node = new Ext.Net.Node();
node.Text = prefix + i;
node.Leaf = true;
node.Expanded = true;
root.Children.Add(node);
}
return nodes;
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack && !X.IsAjaxRequest)
{
//this.BuildTree(TreePanel1.Root); // tree is show if bind in page load method
}
}
protected void Button1_DirectClick(object sender, DirectEventArgs e)
{
this.BuildTree(TreePanel1.Root); // not showing if i bind tree panel in button click event
}
</script>
<!DOCTYPE html>
<html>
<head runat="server">
<title></title>
</head>
<body>
<form runat="server">
<ext:ResourceManager runat="server" />
<ext:Button ID="Button1" runat="server" Text="Load TreePanel" >
<DirectEvents>
<Click OnEvent="Button1_DirectClick"></Click>
</DirectEvents>
</ext:Button>
<ext:TreePanel
ID="TreePanel1"
runat="server"
Title="Tree"
Width="300"
Height="450"
Border="false"
>
</ext:TreePanel>
</form>
</body>
</html>
Last edited by Daniil; Dec 22, 2015 at 9:47 AM.
Reason: [CLOSED]
