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I'm new to C# and don't have any programming experience. But I've finish a C# basics. Now I would like to design a simple tree view by adding parent node and child node. I would like to add a second child for the Second node, I'm quite stuck here and don't know what's next. Any ideas? Here is the code: private void addParentNode_Click(object sender, EventArgs e) { string yourParentNode; yourParentNode = textBox1.Text.Trim(); treeView2.Nodes.Add(yourParentNode); } private void addChildNode_Click(object sender, EventArgs e) { string yourChildNode; yourChildNode = textBox1.Text.Trim(); treeView2.Nodes[0].Nodes.Add(yourChildNode); } Sorry I wasn't clear, I'm not sure if I really need this one here: //treeView1.BeginUpdate(); //treeView1.Nodes.Clear(); What I'm trying to do, is to add Parent Nodes and child node. In my code, I can add several Parent Nodes, but if I want to add a child node, it only add in the first parent node. I want that if I add a child node, I want to add it to the second parent or third parent. In my code I only use one treeview here which names as treeview2 Here is the screenshot this is how my final code looks like: Before I put the else, I'm getting an error if I don't select anything. So I made it that way that if there is nothing selected it will add the "child node" to the "default node" or (parent1 node). It seems to work good. Thanks guys;-) //This is for adding a parent node private void addParentNode_Click(object sender, EventArgs e) { treeView2.BeginUpdate(); string yourParentNode; yourParentNode = textBox1.Text.Trim(); treeView2.Nodes.Add(yourParentNode); treeView2.EndUpdate(); } //This is

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