using System;
using System.Xml.Serialization;
using System.IO;

namespace ConsoleTestApp
{
    [Serializable]
    [XmlRoot("EmployeeData")] // EmployeeData will the root node name.
    public class Employee
    {
        [XmlAttribute] // Saves the field as an attribute in the xml file
        public int EmployeeID;
        public string Name;
        public string NationalId;
        public decimal BasicSalary;
        public decimal HousingAllownce;
        public decimal Medical;
        [XmlIgnore] // It ignores the field / property from being saved into XML file. As its an auto calculated field.
        public decimal TotalSalary
        {
            get { return (BasicSalary + HousingAllownce + Medical); }
        }

	// For xml serialization default constructor is mandatory.
        public Employee() { }

        public Employee(int employeeId, string name, string nationalId, decimal basicSalary, decimal housingAllownce, decimal medical)
        {
            EmployeeID = employeeId;
            Name = name;
            NationalId = nationalId;
            BasicSalary = basicSalary;
            HousingAllownce = housingAllownce;
            Medical = medical;
        }

        /// 

        /// This function serializes the object in an XML file.
        /// 

        /// 
        public static bool SerializeEmployee(Employee e, string path)
        {
            bool Flag = false;
            try
            {
                XmlSerializer Serializer = new XmlSerializer(typeof(Employee));
                FileStream Fs = new FileStream(path, FileMode.Create);
                Serializer.Serialize(Fs, e);
                Flag = true;
                Fs.Dispose();
            }
            catch { }
            return Flag;
        }

        /// 

        /// This function deserializes the object from the XML file. 
        /// 

        /// XML file path of serialized object.
        public static Employee DeSerializeEmployee(string path)
        {
            Employee ObjEmployee = null;
            try
            {
                FileStream Fs = new FileStream(path, FileMode.Open, FileAccess.Read);
                XmlSerializer DeSerializer = new XmlSerializer(typeof(Employee));
                ObjEmployee = (Employee)DeSerializer.Deserialize(Fs);
                Fs.Dispose();
            }
            catch {}
            return ObjEmployee;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            Employee ObjEmp_1 = new Employee(101, "Farhan Khan", "10176331078", 9935, 2225, 1725);
            bool Flag = Employee.SerializeEmployee(ObjEmp_1, @"C:\Emp.xml");

            if (Flag)
            {
                Employee ObjEmp_2 = Employee.DeSerializeEmployee(@"C:\Emp.xml");
            }
        }
    }
}