OpenFileDialog loadList = new OpenFileDialog();

            /// what files to open
            loadList.Filter = "Text Files (.txt)|*.txt|All Files (*.*)|*.*";
            loadList.FilterIndex = 1;
            /// multi select, is false.
            loadList.Multiselect = false;


            // open filedialog
            loadList.ShowDialog();



            /// read lines from the file
            FileStream filereader;
            try
            {

                filereader = new FileStream(loadList.FileName, FileMode.Open);

            }
            catch (IOException)
            {
                MessageBox.Show("Please exit the file before loading it!");
                return;
            }

            byte[] textbuffer = new byte[filereader.Length];

            filereader.Read(textbuffer, 0, textbuffer.Length);

            for (int i = 0; i < textbuffer.Length; i++)
            {
                //// 13 + 10 represents end of line ( char val )
                if (textbuffer[i] == 13)
                {
                    if (i + 1 < textbuffer.Length && textbuffer[i + 1] == 10)
                    {
                        linesread++;
                    }

                }

            }
            /// here you'll actually read the lines
            StringReader read = new StringReader(Encoding.ASCII.GetString(textbuffer));
            for (int i = 0; i <= linesread; i++)
            {

                    ListViewItem item = new ListViewItem();
                    item.Text = read.ReadLine();
                    if (item.Text.Length != 0)
                    {
                        listView1.Items.Add(item);


                    }


            }

            read.Close();
            filereader.Dispose();
            filereader.Close();

            listView1.Refresh();