I have a form in a WindowsApplication with just a RadTreeNode on it.
This is from your example.
On reaching this line:
Dim node As RadTreeNode = RadTreeView1.Nodes("Email Contacts").Nodes.Add("Bob Tony")
I keep getting the error:
System.NullReferenceException was unhandled
Message="Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt."
What's happening and how do I correct it?
Thanks in advance
Karl
Imports System |
Imports Telerik.WinControls.UI |
Public Class Form1 |
Inherits Form |
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load |
InitializeComponent() |
Dim node As RadTreeNode = RadTreeView1.Nodes("Email Contacts").Nodes.Add("Bob Tony") |
node.Selected = True |
RadTreeView1.Nodes("Email Contacts").Nodes.Add("Sue Winchell") |
RadTreeView1.Nodes("Email Contacts").Nodes.Add("Lui Sang") |
RadTreeView1.Nodes("Lists").Nodes.Add("Priorities") |
RadTreeView1.Nodes("Lists").Nodes.Add("Opportunities") |
RadTreeView1.Nodes("Lists").Nodes.Add("Issues") |
End Sub |
End Class |
This is from your example.
On reaching this line:
Dim node As RadTreeNode = RadTreeView1.Nodes("Email Contacts").Nodes.Add("Bob Tony")
I keep getting the error:
System.NullReferenceException was unhandled
Message="Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt."
What's happening and how do I correct it?
Thanks in advance
Karl