struct SPatient

        {

            public string s_sName;

            public double s_dSalary;

 

            public SPatient(string sName, double dSalary)

            {

                s_sName = sName;

                s_dSalary = dSalary;

            }

 

            public override string ToString()

            {

                return string.Format("{0}, {1}", s_sName, s_dSalary);

            }

        }

        List<SPatient> m_List = new List<SPatient>();

        }

        public Form1()

        {

            InitializeComponent();

        }

        private void btn_LOAD_Click(object sender, EventArgs e)

        {           

            if (openFileDialog1.ShowDialog() == DialogResult.OK)

            {

                try

                {

                    FileStream fs = new FileStream(openFileDialog1.FileName, FileMode.Open, FileAccess.Read);

                    BinaryFormatter bf = new BinaryFormatter();

                    m_List = (List<SPatient>)bf.Deserialize(fs);

                    fs.Close();

 

                    foreach (SPatient sps in m_List)

                    {

                        ListViewItem lvi = new ListViewItem(sps.s_sName);

                        lvi.SubItems.Add(sps.s_dSalary.ToString());

                        listView1.Items.Add(lvi);

                    }

                }

                catch (Exception ex)

                {

                    MessageBox.Show(ex.Message);

                }

            }

我试图加载ListView中的一个文本文件，但每次我选择一个文件
它给我这个消息
"输入流是不是一个有效的二进制格式的开始内容（以字节为单位）:4A-44-20-53-69-6C-......"