use backgroundworker progresschanged for using dataset without using l

using System;
using System.ComponentModel;
using System.Data;
using System.Windows.Forms;

namespace BackgroundWorkerExample
{
    public partial class MainForm : Form
    {
        private BackgroundWorker backgroundWorker;
        private DataSet dataSet;

        public MainForm()
        {
            InitializeComponent();

            // Initialize BackgroundWorker
            backgroundWorker = new BackgroundWorker();
            backgroundWorker.WorkerReportsProgress = true;
            backgroundWorker.ProgressChanged += BackgroundWorker_ProgressChanged;
            backgroundWorker.DoWork += BackgroundWorker_DoWork;
        }

        private void btnStart_Click(object sender, EventArgs e)
        {
            if (!backgroundWorker.IsBusy)
            {
                // Load your DataSet here (replace with actual logic)
                dataSet = LoadDataSet();

                progressBar.Value = 0;
                progressBar.Maximum = dataSet.Tables.Count;

                // Start BackgroundWorker
                backgroundWorker.RunWorkerAsync();
            }
        }

        private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
        {
            // Process DataSet tables here
            for (int i = 0; i < dataSet.Tables.Count; i++)
            {
                // Simulate some processing
                System.Threading.Thread.Sleep(1000);

                // Report progress to UI thread
                backgroundWorker.ReportProgress(i + 1);
            }
        }

        private void BackgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
        {
            progressBar.Value = e.ProgressPercentage;
        }

        // Replace with actual DataSet loading logic
        private DataSet LoadDataSet()
        {
            DataSet dataSet = new DataSet();
            // Add DataTables and fill DataSet
            return dataSet;
        }
    }
}