RadTreeView in Master Page

[Lubomir]

Hi, I can not keep the state of the tree in the Master page.
This is my code

public List<string> BindNodes
{
    get
    {
        List<string> dataNodes = new List<string>();
        dataNodes.Add("item1");
        dataNodes.Add("item2");
        dataNodes.Add("item3");
        return dataNodes;
    }
}

protected void Page_Load(object sender, EventArgs e)
{
    if (!Page.IsPostBack)
        BindTree();
}


private void BindTree()
{
    List<string> data= BindNodes;
    for (int i = 0; i < data.Count; i++)
        LoadRecursive(data[i], null);
}

private void LoadRecursive(string item, RadTreeNode parentNode)
{
    if (parentNode == null)
    {
        RadTreeNode childNode = new RadTreeNode();
        childNode.Value = "5";
        childNode.Text = item;
        childNode.Category = "category1";
        childNode.ExpandMode = TreeNodeExpandMode.ClientSide;

        tree.Nodes.Add(childNode);
        parentNode = childNode;
    }
    List<string> secondList= new List<string>();
    secondList.Add("sec1");
    secondList.Add("sec2");

    for (int i = 0; i < secondList.Count; i++)
    {
        RadTreeNode childNode = new RadTreeNode();
        childNode.Value = "5";
        childNode.Text = secondList[i];
        childNode.Category = "category2";
        childNode.ExpandMode = TreeNodeExpandMode.ClientSide;
        parentNode.Nodes.Add(childNode);
        //LoadRecursive(subSite[i], childNode);
    }
}

protected void tree_NodeClick(object sender, RadTreeNodeEventArgs e)
{
   switch (tree.SelectedNode.Category.ToString())
    {
        case "category1":
            Response.Redirect("~/Member/Cat1.aspx?id=" + tree.SelectedValue);
            break;
        case "category2":
            Response.Redirect("~/Member/Cat2.aspx?id=" + tree.SelectedValue);
            break;

    }

}

I looked at other similar threads in the forum, but  couldn't do it

[Ivana]

Hello Lubo,

Attached is a content page which I have tested locally. It contains the code you have provided me with and a simple button which causes a postback. As far as I have tested the RadTreeView behavior with a post back it works just fine. Would you let me know if I am missing something?

All the best,
Ivana
the Telerik team