it get error if user doesn't chose the node. The following code example demonstrates how to use the Select method to select a node in the TreeView control. To convert TreeView Selected node in Physical URL. NoNodeSelected = True ' Không có node nào được chọn. Understand that English isn't everyone's first language so be lenient of bad. Dim tvn As System.Windows.Forms.TreeNode = Me.TreeView1.SelectedNode MsgBox( " Is selected node: " & ( Not tvn Is. The content must be between 30 and 50000 characters. Treat my content as plain text, not as HTML. Sub Button_Command(ByVal sender As Object, ByVal e As CommandEventArgs). ' the nodes for Chapter One and Chapter Two. Because I get the Node name to do something like. // Select the node using the Select method. // If the button clicked was "Chapter One", select the node. Provide an answer or move on to the next question. ' If the button clicked was "Chapter Two", select the node. ' Iterate through the TEEN nodes of the root node and find. email is in use. Do you need your password? How to select the root node of treeview?. // Iterate through the TEEN nodes of the root node and find. ' Select the appropriate node based on which button was clicked. Use TreeView.SelectedNode [ ^ ] property, which get or set selected node for currently selected Treeview. If no TreeNode is currently selected, the SelectedNode property is a null reference (Nothing in Visual Basic). If a question is poorly phrased then either ask for clarification, ignore it, or. Selects the current node in the TreeView control.