C# Online Compiler | .NET Fiddle

using System;
					
public class Program
{
	public static void Main()
	{
		//create structure instance
		Employee e = new Employee();    
		//call the methods
		e.ReadData();
		e.Calculate();
		e.DisplayData();
		Console.ReadLine();
	}
}

struct Employee
 {
	private int EmployeeID;
	private string EmployeeName;
	private double Salary;
	private double Tax;
	private double NetSalary;
	
	public void ReadData()
 	 {
		Console.Write("Enter Employee ID: ");
		EmployeeID = Convert.ToInt32(Console.ReadLine());
		Console.Write("Enter Employee Name: ");
		EmployeeName = Console.ReadLine();
		Console.Write("Enter Salary: ");
		Salary = Convert.ToDouble(Console.ReadLine());
 	 }
	public void Calculate()
	 {
		Tax = Salary * 10 / 100;
		NetSalary = Salary - Tax;
	 }
	
	public void DisplayData()
	 {
		Console.WriteLine("\n\nEmployee ID: " + EmployeeID);
		Console.WriteLine("Employee Name: " + EmployeeName);
		Console.WriteLine("Salary: " + Salary);
		Console.WriteLine("Tax: " + Tax);
		Console.WriteLine("Net Salary: " + NetSalary);
	 }
	
 }

// To read full article regarding ths c# structure 
// https://www.fresherscoder.com/2015/06/what-is-structure-in-csharp-in-software-it-technologies.html

: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\BouncyCastle\1.8.2.0\lib\BouncyCastle.Crypto.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Signer\4.28.0.0\lib\net461\Nethereum.Signer.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.RPC\4.28.0.0\lib\net461\Nethereum.RPC.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Model\4.29.0.0\lib\net461\Nethereum.Model.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Util\4.29.0.0\lib\net461\Nethereum.Util.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Hex\4.29.0.0\lib\net461\Nethereum.Hex.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.RLP\4.29.0.0\lib\net461\Nethereum.RLP.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Signer\4.29.0.0\lib\net461\Nethereum.Signer.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\BouncyCastle\1.8.2.0\lib\BouncyCastle.Crypto.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Model\4.29.0.0\lib\net461\Nethereum.Model.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Util\4.29.0.0\lib\net461\Nethereum.Util.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Hex\4.29.0.0\lib\net461\Nethereum.Hex.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.RLP\4.29.0.0\lib\net461\Nethereum.RLP.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.JsonRpc.RpcClient\4.29.0.0\lib\net461\Nethereum.JsonRpc.RpcClient.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.ABI\4.29.0.0\lib\net461\Nethereum.ABI.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Accounts\4.29.0.0\lib\net461\Nethereum.Accounts.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Contracts\4.29.0.0\lib\net461\Nethereum.Contracts.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Web3\4.29.0.0\lib\net461\Nethereum.Web3.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Util\4.29.0.0\lib\net461\Nethereum.Util.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Hex\4.29.0.0\lib\net461\Nethereum.Hex.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Signer\4.29.0.0\lib\net461\Nethereum.Signer.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Model\4.29.0.0\lib\net461\Nethereum.Model.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Util\4.29.0.0\lib\net461\Nethereum.Util.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Hex\4.29.0.0\lib\net461\Nethereum.Hex.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.RLP\4.29.0.0\lib\net461\Nethereum.RLP.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.JsonRpc.RpcClient\4.29.0.0\lib\net461\Nethereum.JsonRpc.RpcClient.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.BlockchainProcessing\4.29.0.0\lib\net461\Nethereum.BlockchainProcessing.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.ABI\4.29.0.0\lib\net461\Nethereum.ABI.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Accounts\4.29.0.0\lib\net461\Nethereum.Accounts.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.KeyStore\4.29.0.0\lib\net461\Nethereum.KeyStore.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.RPC\4.29.0.0\lib\net461\Nethereum.RPC.dll' could not be found
: Compilation error (line 0, col 0): Metadata file 'c:\LocalResources\NuGet\Packages\Nethereum.Contracts\4.29.0.0\lib\net461\Nethereum.Contracts.dll' could not be found