.NET code to load data from Excel to Progress database

using System.Data.Odbc;
using System.Data.OleDb;

// Set up ODBC connection string
string connectionString = "Driver={Progress OpenEdge 11.7 Driver};HOST=<host>;PORT=<port>;DB=<database>;UID=<username>;PWD=<password>;";

// Set up SQL insert statement
string sqlInsert = "INSERT INTO <table> (col1, col2, col3) VALUES (?, ?, ?)";

// Open Excel file and read data
using (OleDbConnection oleDbConnection = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=<excel file path>;Extended Properties='Excel 12.0 Xml;HDR=YES'"))
{
    using (OleDbCommand oleDbCommand = new OleDbCommand("SELECT * FROM [<worksheet name>$]", oleDbConnection))
    {
        oleDbConnection.Open();
        using (OleDbDataReader oleDbDataReader = oleDbCommand.ExecuteReader())
        {
            // Set up ODBC command and connection
            using (OdbcConnection odbcConnection = new OdbcConnection(connectionString))
            using (OdbcCommand odbcCommand = new OdbcCommand(sqlInsert, odbcConnection))
            {
                // Open ODBC connection and begin transaction
                odbcConnection.Open();
                OdbcTransaction odbcTransaction = odbcConnection.BeginTransaction();
                odbcCommand.Transaction = odbcTransaction;

                // Loop through Excel rows and insert into Progress table
                while (oleDbDataReader.Read())
                {
                    odbcCommand.Parameters.Clear();
                    odbcCommand.Parameters.AddWithValue("?", oleDbDataReader.GetValue(0));
                    odbcCommand.Parameters.AddWithValue("?", oleDbDataReader.GetValue(1));
                    odbcCommand.Parameters.AddWithValue("?", oleDbDataReader.GetValue(2));
                    odbcCommand.ExecuteNonQuery();
                }

                // Commit transaction and close ODBC connection
                odbcTransaction.Commit();
                odbcConnection.Close();
            }
        }
    }
}