Ms Office 2007 Oledb Read file Excel Code and 2010 code

2007................
OleDbConnection con = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source='E://Naresh.xlsx';Extended Properties=\'Excel 8.0';");

     
        OleDbCommand cmd = new OleDbCommand("select * from [Sheet1$]");
        cmd.Connection = con;
        OleDbDataAdapter dap = new OleDbDataAdapter(cmd);
        DataSet ds = new DataSet();
        dap.Fill(ds);
        return (ds);

2010..................

OleDbConnection con = new OleDbConnection("Provider=Microsoft.JET.OLEDB.4.0;Data Source='E://Naresh.xlsx';Extended Properties=\'Excel 8.0';");

     
        OleDbCommand cmd = new OleDbCommand("select * from [Sheet1$]");
        cmd.Connection = con;
        OleDbDataAdapter dap = new OleDbDataAdapter(cmd);
        DataSet ds = new DataSet();
        dap.Fill(ds);
        return (ds);