KaxTreeView.NodeDataBound Event

KaxTreeViewNodeDataBound Event

Occurs when a node is data bound.

Namespace: Kettic.AspNet.Controls
Assembly: Kettic.AspNet.Controls (in Kettic.AspNet.Controls.dll) Version: 2014.4.1129.0 (2014.04.1129.0)

Syntax

C++

Copy

public event KaxTreeViewEventHandler NodeDataBound

Public Event NodeDataBound As KaxTreeViewEventHandler

public:
 event KaxTreeViewEventHandler^ NodeDataBound {
	void add (KaxTreeViewEventHandler^ value);
	void remove (KaxTreeViewEventHandler^ value);
}

member NodeDataBound : IEvent<KaxTreeViewEventHandler,
    KaxTreeNodeEventArgs>

Value

Type: Kettic.AspNet.ControlsKaxTreeViewEventHandler

Remarks

The NodeDataBound event is raised for each node upon danodeinding. You can retrieve the node being bound using the event arguments. The DataItem associated with the node can be retrieved using the DataItem property.

The NodeDataBound event is often used in scenarios when you want to perform additional mapping of fields from the DataItem to their respective properties in the KaxTreeNode class.

Examples

The following example demonstrates how to map fields from the data item to KaxTreeNode properties using the NodeDataBound event.

C++

Copy

protected void KaxTreeView1_NodeDataBound(object sender, Kettic.AspNet.Controls.KaxTreeNodeEventArgs e)
{
    e.Node.ImageUrl = "image" + (string)DataBinder.Eval(e.Node.DataItem, "ID") + ".gif";
    e.Node.NavigateUrl = (string)DataBinder.Eval(e.Node.DataItem, "URL");
}

Sub KaxTreeView1_NodeDataBound(ByVal sender As Object, ByVal e As Kettic.AspNet.Controls.KaxTreeNodeEventArgs) Handles KaxTreeView1.NodeDataBound
    e.Node.ImageUrl = "image" & DataBinder.Eval(e.Node.DataItem, "ID") & ".gif"
    e.Node.NavigateUrl = CStr(DataBinder.Eval(e.Node.DataItem, "URL"))
End Sub

Reference

KaxTreeView Class

Kettic.AspNet.Controls Namespace