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Pravesh Singh

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Posted on    June-15-2013 5:23 AM

 C# C# 
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Hi Developers,

How to create a TreeView from XML File in C#?

Thanks in advance.


Sumit Kesarwani

Total Post:378

Points:2694
Posted on    June-15-2013 7:11 AM

Hi Pravesh,

You can use this code:

using System;

using System.Data;

using System.Windows.Forms;

using System.Xml;

using System.IO;

 

namespace WindowsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

 

        private void button1_Click(object sender, EventArgs e)

        {

            XmlDataDocument xmldoc = new XmlDataDocument();

            XmlNode xmlnode;

            FileStream fs = new FileStream("tree.xml", FileMode.Open, FileAccess.Read);

            xmldoc.Load(fs);

            xmlnode = xmldoc.ChildNodes[1];

            treeView1.Nodes.Clear();

            treeView1.Nodes.Add(new TreeNode(xmldoc.DocumentElement.Name));

            TreeNode tNode;

            tNode = treeView1.Nodes[0];

            AddNode(xmlnode, tNode);

        }

 

        private void AddNode(XmlNode inXmlNode, TreeNode inTreeNode)

        {

            XmlNode xNode;

            TreeNode tNode;

            XmlNodeList nodeList;

            int i = 0;

            if (inXmlNode.HasChildNodes)

            {

                nodeList = inXmlNode.ChildNodes;

                for (i = 0; i <= nodeList.Count - 1; i++)

                {

                    xNode = inXmlNode.ChildNodes[i];

                    inTreeNode.Nodes.Add(new TreeNode(xNode.Name));

                    tNode = inTreeNode.Nodes[i];

                    AddNode(xNode, tNode);

                }

            }

            else

            {

                inTreeNode.Text = inXmlNode.InnerText.ToString();

            }

        }

    }

}


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