private void button1_Click(object sender, EventArgs e)

        {

            this.openFileDialog1.Filter = "文本文件(*.txt)|*.txt";



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

            {

                string FileName = this.openFileDialog1.FileName;

                char fenge = '-';

                string strErrorMessage = "出错";

                dataGridView1.DataSource = TxtToDataTable(FileName, fenge, ref strErrorMessage);

                int count = dataGridView1.RowCount - 1;

                lblCount.Text = "共导入" + count + "条数据";

                // 你的 处理文件路径代码 

            }

        }



  public static DataTable TxtToDataTable(string strFileName, char strSplit, ref string strErrorMessage)

        {

            DataTable dtReturn = new DataTable();



            try

            {

                string[] strFileTexts = File.ReadAllLines(strFileName);



                if (strFileTexts.Length == 0)

                {

                    strErrorMessage = "文件中没有数据！";

                    return null;

                }



                string[] strLineTexts = strFileTexts[0].Split('-');

                if (strLineTexts.Length == 0)

                {

                    strErrorMessage = "文件中数据格式不正确！";

                    return null;

     &nb