UebungsProj_Schule/Übungen_LF6_WinFormanwendung/DatenHandlingÜbung.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace Übungen_LF6_WinFormanwendung
{
    public partial class DatenHandlingÜbung : Form
    {
        private String[] strWerte;
        private int[] intWerte;


        public DatenHandlingÜbung()
        {
            InitializeComponent();
        }

        private void button_ende_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button_dateiÖffnen_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "CSV-Datei (*.csv)|*.csv|Textdatei (*.txt)|*.txt|Alle Dateien(*.*)|*.*";

            if(openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                textBoxFileName.Text = openFileDialog1.FileName;

                strWerte = File.ReadAllLines(openFileDialog1.FileName);

            }
        }

        private void buttonAnzeige_Click(object sender, EventArgs e)
        {
            foreach (string zeile in strWerte)
            {
                listBoxDaten.Items.Add(zeile);
            }
        }
    }
}