using System;

using System.Collections.Generic;

​

#nullable enable

​

internal class Person

{

    public string? Name { get; set; }

    public string? Phone { get; set; }

    public string? Address { get; set; }

    public string? Email { get; set; }

    public string? WorkPhone { get; set; }

}

​

public class Program

{

    public static void Main()

    {

        var personProperty = "e_mail";

        var propertyValue = "123@abc.com";

        var valueAssignmentByPersonProperty = new Dictionary<string, Func<Person, string, string>>

        {

            ["title"]      = (person, newValue) => person.Name      = newValue,

            ["phone"]      = (person, newValue) => person.Phone     = newValue,

            ["address"]    = (person, newValue) => person.Address   = newValue,

            ["e_mail"]     = (person, newValue) => person.Email     = newValue,

            ["work_phone"] = (person, newValue) => person.WorkPhone = newValue,

        };

        var personA = new Person();

        if (valueAssignmentByPersonProperty.TryGetValue(personProperty, out var assignValueDelegate))

        {

            assignValueDelegate(personA, propertyValue);            

        }

        Console.WriteLine("Name: "      + personA.Name);

        Console.WriteLine("Phone: "     + personA.Phone);

        Console.WriteLine("Address: "   + personA.Address);

        Console.WriteLine("Email: "     + personA.Email);

        Console.WriteLine("WorkPhone: " + personA.WorkPhone);

    }

}