SAP Business One DI API Sales Order Code Generator (C#)

using System;
using SAPbobsCOM;

class AddSalesOrder
{
    static void Main()
    {
        Company oCompany = new Company();
        oCompany.Server = "SQLSRV01";
        oCompany.DbServerType = BoDataServerTypes.dst_MSSQL2019;
        oCompany.CompanyDB = "SBODEMOUS";
        oCompany.UserName = "manager";
        oCompany.Password = Environment.GetEnvironmentVariable("B1_PASSWORD");

        int rc = oCompany.Connect();
        if (rc != 0)
        {
            Console.WriteLine("Connect failed: " + oCompany.GetLastErrorCode() + " " + oCompany.GetLastErrorDescription());
            return;
        }

        Documents oOrder = (Documents)oCompany.GetBusinessObject(BoObjectTypes.oOrders);
        oOrder.CardCode = "C20000";
        oOrder.DocDate = DateTime.Today;
        oOrder.DocDueDate = DateTime.Today.AddDays(14);

        oOrder.Lines.ItemCode = "FG-1001";
        oOrder.Lines.Quantity = 10;
        oOrder.Lines.UnitPrice = 149.50;
        oOrder.Lines.Add();

        rc = oOrder.Add();
        if (rc != 0)
        {
            Console.WriteLine("Add failed: " + oCompany.GetLastErrorCode() + " " + oCompany.GetLastErrorDescription());
        }
        else
        {
            Console.WriteLine("Created order, key = " + oCompany.GetNewObjectKey());
        }

        System.Runtime.InteropServices.Marshal.ReleaseComObject(oOrder);
        oCompany.Disconnect();
        System.Runtime.InteropServices.Marshal.ReleaseComObject(oCompany);
    }
}