How to add tree view parent Node to combobox

Hi..
I have not created database yet, because I am confuse that how to store parent and child node into database...

please suggest me...

Hi,
  Can you plz tell me , howz your database table looks like?
  in which manner you want to store Parent & child node to DB?

Thanks

Now I want to save the Tree view record as Parent Node as well as Child nodes in database...
also retrieve from database and put it into tree view..
suppose I have 4 parent nodes and also each Parent node has 4 child..
So kindly help me..

Hi ,
  Try this code .. it will add all nodes of treeview to comboBox as a item.

    public Form()
        {
            InitializeComponent();
            if (LinksTreeView.Nodes.Count > 0)
            {
                // Iterate through the root nodes in the Nodes property.
                for (int i = 0; i < LinksTreeView.Nodes.Count; i++)
                {
                    // Display the nodes.
                    DisplayChildNodeText(LinksTreeView.Nodes[i]);
                }
            }
            else
            {
                MessageBox.Show("The TreeView control does not have any nodes.");
            }
        }

 void DisplayChildNodeText(TreeNode node)
        {
            //add nodes to comboBox
            comboBox1.Items.Add(node.Text);

            for (int i = 0; i < node.Nodes.Count; i++)
            {
                // Recursively call the DisplayChildNodeText method to
                // traverse the tree and display all the child nodes.
                DisplayChildNodeText(node.Nodes[i]);
            }
        }