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Check node in Treeview On Demand

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TreeView

This is a migrated thread and some comments may be shown as answers.

Meaning Of Lights asked on 11 Nov 2008, 01:57 AM

Hi,

I've almost got this Treeview Loaded On Demand working!!

My last question is how do you check a node that you load on-demand. I've tried CheckState, Checked, Checkable but no luck.

I cant find a sample that demonstrates how to check a node loaded on demand

My aspx:

<telerik:RadTreeView runat="server" ID="RadTreeView1"
           OnNodeDataBound="RadTreeView1_NodeDataBound" CheckBoxes="true" CheckChildNodes="true"
           LoadingStatusPosition="None" PersistLoadOnDemandNodes="false" EnableViewState="false"
           Style="float: left" OnClientNodeClicked="onNodeClicked" Width="300px">
           <WebServiceSettings Method="GetTreeViewNodes" Path="~/PopulateTreeview.asmx" />
           <Nodes>

            <telerik:RadTreeNode Text="mgpage_BalanceSheet" Checked="true" Value="1" ExpandMode="WebService"> </telerik:RadTreeNode>
            .....

My Code behind:

[WebMethod(EnableSession = true)]
        public List<NodeData> GetTreeViewNodes(RadTreeNodeData node)
        {
            DataTable dt = Helper.ConfigurationHelper.GetCofiguration(node.Text);
            List<NodeData> nodes = new List<NodeData>();
            NodeData nodeData = new NodeData();
            foreach (DataRow dr in dt.Rows)

foreach (DataRow dr in dt.Rows)
            {
                nodeData = new NodeData();
                nodeData.Text = dr["DisclosureCode"].ToString();
                nodeData.Value = dr["DisclosureCodeId"].ToString();
                nodeData.ExpandMode = TreeNodeExpandMode.WebService;
                nodeData.CheckState = TreeNodeCheckState.Checked;
                nodeData.Checkable = true;
                nodeData.Checked = true;
                nodes.Add(nodeData);

        public class NodeData
        {
            public string Value { get; set; }
            public string Text { get; set; }
            public TreeNodeCheckState CheckState { get; set; }
            public bool Checked { get; set; }
            public bool Checkable { get; set; }

            public TreeNodeExpandMode ExpandMode { get; set; }
        }

thanks in advance

<edit>
This post http://www.telerik.com/community/forums/aspnet-ajax/treeview/on-demand-loaded-non-checkable-nodes.aspx#673490
recommends the latest Telerik DLL 2008.3.1105.35 and that resolves the problem.. no wonder it was doing my head in.

I see the FindNodeByText and FindNodeByValue, have second boolean parameter ignoreCase.. unfortunalely with the latest DLL I can still produce the StackOverFlow
</edit>

Check node in Treeview On Demand

2 Answers, 1 is accepted