private void button1_Click(object sender, EventArgs e) { string str; if (!(openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)) { return; } StreamReader sr = new StreamReader(openFileDialog1.FileName, Encoding.GetEncoding("euc-kr")); XmlSerializer xs = new XmlSerializer(typeof(PhoneBook));//PhoneBook을 시리얼라이즈 할거야. //XmlReader rd = XmlReader.Create(sr); pb = (PhoneBook)xs.Deserialize(sr); sr.Close(); textBox1.Text = pb.getAllData(); }