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roberocity on 10/10/06

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Last Edited at 10/10/06 07:47pm

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Object Serialization

/ Published in: C#

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namespace MyObjSerial
{
  [Serializable()]    //Set this attribute to all the classes that want to serialize
  public class Employee : ISerializable //derive your class from ISerializable
  {
    public int EmpId;
    public string EmpName;
    
    //Default constructor
    public Employee()
    {
      EmpId = 0;
      EmpName = null;
    }
  }
  
  //Deserialization constructor.
  public Employee(SerializationInfo info, StreamingContext ctxt)
  {
    //Get the values from info and assign them to the appropriate properties
    EmpId = (int)info.GetValue("EmployeeId", typeof(int));
    EmpName = (String)info.GetValue("EmployeeName", typeof(string));
  }

//Serialization function.
  public void GetObjectData(SerializationInfo info, StreamingContext ctxt)
  {
    //You can use any custom name for your name-value pair. But make sure you
    // read the values with the same name. For ex:- If you write EmpId as "EmployeeId"
    // then you should read the same with "EmployeeId"
    info.AddValue("EmployeeId", EmpId);
    info.AddValue("EmployeeName", EmpName);
  }
}

// Serialize Sample
Stream stream = File.Open("EmployeeInfo.osl", FileMode.Create);
BinaryFormatter bformatter = new BinaryFormatter();
            
Console.WriteLine("Writing Employee Information");
bformatter.Serialize(stream, mp);
stream.Close();

// Deserialize Sample
mp = null;
            
//Open the file written above and read values from it.
stream = File.Open("EmployeeInfo.osl", FileMode.Open);
bformatter = new BinaryFormatter();
        
Console.WriteLine("Reading Employee Information");
mp = (Employee)bformatter.Deserialize(stream);
stream.Close();
            
Console.WriteLine("Employee Id: {0}",mp.EmpId.ToString());
Console.WriteLine("Employee Name: {0}",mp.EmpName);

URL: http://www.codeproject.com/csharp/objserial.asp

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