How to Read Microsoft Excel 2007 Using a Connection String in C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.OleDb;
using System.Drawing;
using System.Text;
using System.Windows.Forms;


namespace ReadExcel07
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnPopulate_Click(object sender, EventArgs e)
        {
            // You can change C:\Members.xlsx to any path where 
            // the file is located.
            string connectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;
               Data Source=C:\Members.xlsx;Extended Properties=""Excel 12.0;HDR=YES;""";

            // if you don't want to show the header row (first row)
            // use 'HDR=NO' in the string

            string strSQL = "SELECT * FROM [Sheet1$]";

            OleDbConnection excelConnection = new OleDbConnection(connectionString);
            excelConnection.Open(); // This code will open excel file.

            OleDbCommand dbCommand = new OleDbCommand(strSQL, excelConnection);
            OleDbDataAdapter dataAdapter = new OleDbDataAdapter(dbCommand);

            // create data table
            DataTable dTable = new DataTable();
            dataAdapter.Fill(dTable);

            // bind the datasource
            dataBingingSrc.DataSource = dTable;

            // assign the dataBindingSrc to the DataGridView
            dgvExcelList.DataSource = dataBingingSrc;

            // dispose used objects
            dTable.Dispose();
            dataAdapter.Dispose();
            dbCommand.Dispose();

            excelConnection.Close();
            excelConnection.Dispose();
        }
    }
}