C#

SerialPort _serialPort;

using System;
using System.IO.Ports;

class Program
{
    private SerialPort _serialPort = null;   // <<---ADD THIS LINE
    public static void Main ()
    {
        string portName = @"\\.\COM10";
        _serialPort = new SerialPort (portName);
        _serialPort.Close ();
    }
}

OriginalGriff wrote:

using System;
using System.IO.Ports;
 
class Program
{
private SerialPort _serialPort = null; // <<---ADD THIS LINE
public static void Main ()
{
string portName = @"\\.\COM10";
_serialPort = new SerialPort (portName);
_serialPort.Close ();
}
}

An object reference is required for the non-static field, method, or property 'Program._serialPort'	

eddieangel wrote:

Is it really a question of db server performance vs web server performance?

eddieangel wrote:

I have read that scalar value functions in TSQL can be low performing