C# Add, Edit, Remove TreeView Node

How To Insert Update Delete Selected Node From TreeView Using C#

Add Edit Remove TreeView Node Using C#



In this C# Tutorial we will see How To Add Edit Remove The Selected TreeView Node Using TextBox Value On treeView AfterSelect To Get The Selected Node And 3 Button To Do The Insert, Update, Delete In CSharp Programming Language And Visual  Studio Editor.




Project Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class TreeView_Add_Edit_Delete_Node : Form
    {
        public TreeView_Add_Edit_Delete_Node()
        {
            InitializeComponent();
        }

        // add
        private void button1_Click(object sender, EventArgs e)
        {
            TreeNode node = new TreeNode(textBox1.Text);
            try
            {
                treeView1.SelectedNode.Nodes.Add(node);
            }
            catch (Exception ex)
            {
                treeView1.Nodes.Add(node);
            }

        }

      // edit
        private void button2_Click(object sender, EventArgs e)
        {
            treeView1.SelectedNode.Text = textBox1.Text;
        }

       // get selected node
        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            textBox1.Text = treeView1.SelectedNode.Text;
        }

        // delete selected node
        private void button3_Click(object sender, EventArgs e)
        {
            treeView1.SelectedNode.Remove();
        }
    }
}


OutPut:

insert update delete treeview node using c#



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