C # Programmatically get the computer board serial number

Set up a console application to add a reference to the assembly System.Management, the code is as follows

 using System; 
 using System.Collections.Generic; 
 using System.Text; 
 using System.Management;
  
 Namespace ConsoleApplication1 
 {
 Class program 
 {
 static void Main (string[] args) 
 {
 Printmotherboardinfo (); 
 Console.WriteLine (Getmotherboardserialnumber ()); 
} 
///<summary> 
///Print motherboard information 
///</summary> 
 private static void Printmotherboardi
  NFO () 
 {
 ManagementClass mc = new ManagementClass ("Win32_baseboard"); 
 Managementobjectcollection MOC = MC. GetInstances (); 
 foreach (ManagementObject mo in MoC) 
 {
 foreach-propertydata PD in Mo. Properties) 
 {
 Console.WriteLine (string. Format ("{0}{1}{2}", PD.) Name, "\ t", PD. Value)); 
} 
} 
} 
//Get motherboard serial number 
 private static string Getmotherboardserialnumber () 
 {
 Managementc Lass MC = new ManagementClass ("Win32_baseboard"); 
 Managementobjectcollection MOC = mc. GetInstances (); 
 String SerialnUmber = ""; 
 foreach (ManagementObject mo in MoC) 
 {
 serialnumber= mo[' serialnumber ']. ToString (); 
 break;
  
} 
 Return serialnumber 
 } 
}