Store data from xml to database

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using System.Data.SqlClient;
 

namespace WindowsFormsApplicationtry
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            XmlWriter writer = XmlWriter.Create(@"C:\Users\syed\Desktop\SIEM\xml.xml");

            writer.WriteStartElement("QUERY");

            writer.WriteStartElement("IT");
            writer.WriteAttributeString("macName", textBox1.Text);
            writer.WriteElementString("Generated_source", textBox2.Text);
            writer.WriteElementString("TimeStemp", textBox3.Text);
            writer.WriteEndElement();
            
      writer.Close();}

        private void btnReader_Click_1(object sender, EventArgs e)
        {
         string myXMLfile = @"C:\Users\syed\Desktop\SIEM\xml.xml";
    DataSet ds = new DataSet();
    // Create new FileStream with which to read the schema.
    System.IO.FileStream fsReadXml = new System.IO.FileStream 
        (myXMLfile, System.IO.FileMode.Open);
    try
    {
        ds.ReadXml(fsReadXml);
        DataTable dbTable1 = ds.Tables[0];
       Gridview.DataSource = dbTable1;        
    }
    catch (Exception ex)
    {
 MessageBox.Show(ex.ToString());
    }
    finally
    {
 fsReadXml.Close();
    }
     }

        private void Form1_Load(object sender, EventArgs e)
        {
        //    // TODO: This line of code loads data into the 'database1DataSet1.xmlread' table. You can move, or remove it, as needed.
        //    this.xmlreadTableAdapter.Fill(this.database1DataSet1.xmlread);
        //    // TODO: This line of code loads data into the 'dataSet1.Credit' table. You can move, or remove it, as needed.
        //    this.creditTableAdapter.Fill(this.dataSet1.Credit);

        }

        private void GridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
           
        }

}
}