How to read MS Excel file and populate into GridView

<appSettings>
<add key="Excel2003OleDBConnection" value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties=&quot;Excel 8.0;HDR=YES;IMEX=1&quot;"/>
<add key="Excel2007OleDBConnection" value="Provider=Microsoft.ACE.
OLEDB.12.0;Data Source={0};Extended Properties=&quot;Excel 12.0 Xml;HDR=YES;IMEX=1&quot;"/>
</appSettings>

<div>
<asp:GridView ID="GridView1" runat="server" EnableViewState="false" />
</div>

using System.Data;
using System.Configuration;
using System.Data.OleDb;

protected void Page_Load(object sender, EventArgs e)
{
string file = Server.MapPath("~/App_Data/SampleData.xls");
string connStr = string.Format(ConfigurationManager.AppSettings["Excel2003OleDBConnection"], file);
DataTable table = new DataTable();
 
using (OleDbConnection conn = new OleDbConnection(connStr))
{
string sheet = @"SELECT * FROM [Sheet2$]"; // to avoid error write the sheet name in square bracket
using (OleDbCommand cmd = new OleDbCommand(sheet, conn))
{
conn.Open();
 
using (OleDbDataAdapter ad = new OleDbDataAdapter(cmd))
{
ad.Fill(table);
}
conn.Close();
};
}
 
GridView1.DataSource = table;
GridView1.DataBind();
 
// to loop through the rows use foreach loop
foreach (DataRow row in table.Rows)
{
string firstName = row["FirstName"].ToString();
}
}

System.InvalidOperationException: The 'Microsoft.ACE.OLEDB.12.0' provider is not 
registered on the local machine

System.Data.OleDb.OleDbException: The Microsoft Jet database engine could not 
find the object 'Sheet2'.  Make sure the object exists and that you spell its 
name and the path name correctly.

System.Data.OleDb.OleDbException: Syntax error in FROM clause.