How to display records from the Excel Sheet..

 OleDbConnection conn = new OleDbConnection("Provider= Microsoft.ACE.OLEDB.12.0;Data Source=D:/Raj Collection For ASP Examples/Raj Practise Examples/Excel InsertData/Test3.xls; Extended Properties=\"Excel 12.0;HDR=YES;\"");
        conn.Open();
        string s = "Select * from [Sheet1$]";
        OleDbCommand cmd = new OleDbCommand(s, conn);
        DataSet ds = new DataSet();
        OleDbDataAdapter da = new OleDbDataAdapter(cmd);

        da.Fill(ds);
        GridView1.DataSource = ds;
        GridView1.DataBind();
        conn.Close();