Jul 01, 2013, 3:09 PM
[CLOSED] Render Treepanel in codebehind
Hi,
We want to render the treepanel content by selecting value from a combobox, or what is the best way to do it. here is runnable sample code.
We want to render the treepanel content by selecting value from a combobox, or what is the best way to do it. here is runnable sample code.
<%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if (!X.IsAjaxRequest)
{
}
}
protected void ChangeListItem(object sender, DirectEventArgs e)
{
//Ext.Net.panelItemWPanel panelItemW = new Ext.Net.panelItemWPanel();
//this.ViewportMain.Items.Add(panelItemW);
//panelItemW.ID = "panelItemWPanel1";
//panelItemW.Width = Unit.Pixel(300);
//panelItemW.Height = Unit.Pixel(450);
//panelItemW.Icon = Icon.BookOpen;
//panelItemW.Title = "Catalog";
//panelItemW.AutoScroll = true;
string parentID = ComboBoxW.SelectedItem.Value;
List<Runner> Runners = this.GetData().Where(parID => parID.Parent_ID == parentID).ToList(); ;
Ext.Net.Node root = new Ext.Net.Node()
{
Text = "Root",
NodeID = "Root_ID"
};
root.Expanded = true;
panelItemW.Root.Add(root);
foreach (var emenus in Runners)
{
Ext.Net.Node emenusNode = new Ext.Net.Node();
emenusNode.Text = emenus.Name;
emenusNode.NodeID = emenus.Name;
emenusNode.Leaf = false;
root.Children.Add(emenusNode);
//panelItemW.GetRootNode().Expand(false);
}
panelItemW.Render();
}
public class Runner
{
public Runner(string name, string parent_ID) { this.Name = name; this.Parent_ID = parent_ID; }
public string Name { get; set; }
public string Parent_ID { get; set; }
}
public List<Runner> GetData()
{
Runner zatopek = new Runner("zatopek", "1");
Runner lewis = new Runner("lewis", "1");
Runner morceli = new Runner("morceli", "1");
Runner runner2 = new Runner("runner2", "2");
Runner runner21 = new Runner("runner21", "2");
Runner runner22 = new Runner("runner22", "2");
return new List<Runner> { zatopek, lewis, morceli };
}
</script>
<!DOCTYPE html>
<html>
<head id="Head1" runat="server">
</head>
<body>
<form id="Form1" runat="server">
<ext:ResourceManager ID="ResourceManager1" runat="server" />
<ext:Viewport ID="ViewportMain" runat="server" Layout="BorderLayout">
<Items>
<ext:TreePanel ID="panelItemW" runat="server" Region="Center"
AutoScroll="true" Lines="false" UseArrows="true" CollapseFirst="false" RootVisible="true"
Width="175">
<TopBar>
<ext:Toolbar ID="ToolbarW" runat="server" Height="50">
<Items>
<ext:ComboBox ID="ComboBoxW" runat="server" Width="160" Mode="Local"
Editable="true" SelectOnFocus="true">
<Items>
<ext:ListItem Text="Menu 1" Value="1" />
<ext:ListItem Text="Menu 2" Value="2" />
<ext:ListItem Text="Menu 3" Value="3" />
</Items>
<DirectEvents>
<Select OnEvent="ChangeListItem">
</Select>
</DirectEvents>
</ext:ComboBox>
</Items>
</ext:Toolbar>
</TopBar>
<%-- <Root>
<ext:Node Text="root" NodeID="0">
</ext:Node>
</Root>--%>
</ext:TreePanel>
</Items>
</ext:Viewport>
</form>
</body>
</html>
Last edited by Daniil; Jul 04, 2013 at 1:53 PM.
Reason: [CLOSED]
