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GeneralRe: How do I change this code using Inheritance? Pin
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QuestionHistogram in Asp.net using canvas js Pin
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QuestionI can´t get any output from XML and Binary. Pin
Marc Hede8-Dec-19 3:51
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AnswerRe: I can´t get any output from XML and Binary. Pin
Richard MacCutchan8-Dec-19 5:15
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GeneralRe: I can´t get any output from XML and Binary. Pin
Marc Hede8-Dec-19 7:17
MemberMarc Hede8-Dec-19 7:17 
Thanks.
I got the binary working.
With XML I get an error "cannot be serialized because it does not have a parameterless constructor" at this part:
C#
XmlSerializer serializer = new XmlSerializer(typeof(Keycard));


Not sure what to change/add.

This is how the code looks now after creating it inside a console application.

C#
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Serialization;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;

namespace Keycard
{
    class Class1
    {
        public static void Main(string[] args)
        {
            Keycard d1 = new Keycard("John", 102030);

            Stream stream = File.Open("KeycardData.dat",
                FileMode.Create);

            BinaryFormatter bf = new BinaryFormatter();

            bf.Serialize(stream, d1);
            stream.Close();

            d1 = null;

            stream = File.Open("KeycardData.dat", FileMode.Open);

            bf = new BinaryFormatter();

            d1 = (Keycard)bf.Deserialize(stream);
            stream.Close();
            Console.WriteLine(d1.ToString());

            XmlSerializer serializer = new XmlSerializer(typeof(Keycard));

            using (TextWriter tw = new StreamWriter(@"C\Brugere\Marc8\source\repos\keycards.xml"))
            {
                serializer.Serialize(tw, d1);
            }

            d1 = null;

            XmlSerializer deserializer = new XmlSerializer(typeof(Keycard));
            TextReader reader = new StreamReader(@"C\Brugere\Marc8\source\repos\keycards.xml");
            object obj = deserializer.Deserialize(reader);
            d1 = (Keycard)obj;
            reader.Close();
            Console.WriteLine(d1.ToString());
        }

    }
}

GeneralRe: I can´t get any output from XML and Binary. Pin
Richard MacCutchan8-Dec-19 21:51
mveRichard MacCutchan8-Dec-19 21:51 
QuestionExample Needed Pin
Mycroft Holmes30-Nov-19 12:02
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QuestionRe: Example Needed Pin
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QuestionProblem with Using Directive Pin
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QuestionNewbie here. Why is my array list not working? Pin
Marc Hede28-Nov-19 0:31
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AnswerRe: Newbie here. Why is my array list not working? Pin
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AnswerRe: Newbie here. Why is my array list not working? Pin
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GeneralRe: Newbie here. Why is my array list not working? Pin
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GeneralRe: Newbie here. Why is my array list not working? Pin
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GeneralRe: Newbie here. Why is my array list not working? Pin
Marc Hede28-Nov-19 9:09
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GeneralRe: Newbie here. Why is my array list not working? Pin
Richard Deeming29-Nov-19 0:34
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GeneralRe: Newbie here. Why is my array list not working? Pin
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