//SERAILIZATION

            // Create file to save the data to
            FileStream fs = new FileStream(@"C:\Date.Data", FileMode.Create);
            BinaryFormatter bf = new BinaryFormatter();
            // Use the BinaryFormatter object to serialize the data to the file
            bf.Serialize(fs, System.DateTime.Now);
            // Close the file
            fs.Close();

            //DESERAILIZATION

            // Open file to read the data from
            fs = new FileStream(@"C:\Date.Data", FileMode.Open);
            
            DateTime data=new DateTime();
            // Use the BinaryFormatter object to deserialize the data from the file
            data = (DateTime)bf.Deserialize(fs);
            // Close the file
            fs.Close();
            // Display the deserialized string
            Console.WriteLine(data);