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Editorial Team
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Asked: 2026-05-27T02:55:22+00:00

My question is about adding new node to the selected node. For example I

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My question is about adding new node to the selected node. For example I have my treeview nodes and when I selected 1 node and click button (addCategory) I have to add a node to the same level. If I selected 1 node and click button (addSubCategory) I have to add a node to the sub level.

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  1. Editorial Team

    in fact it could change a bit if you are in windows forms or web forms I guess but pseudo-code for what you ask is this:

    AddCategory

    treeView1.SelectedNode.Parent.Nodes.Add("my new category");

    AddSubCategory

    treeView1.SelectedNode.Nodes.Add("my new sub category");

    of course check SelectedNode and Parent for null before doing this 😉

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