将多个文本文件内的数据导入到Datagridview

 private BindingList listXSxxInfoList = new BindingList();
 openFileDialog1.Multiselect = true;//允许选择多个文件
 ListXSxxInfoList.Clear();
 string filePath = "";
 openFileDialog1.Filter = "文本文件*.txt|*.txt";

 if (openFileDialog1.ShowDialog() == DialogResult.OK)
 {
     TBFilePath.Text = filePath;
     foreach (string s in openFileDialog1.FileNames)
     {
         TBFilePath.Text += s + ";";
         FileStream fs = new FileStream (s, FileMode.Open, FileAccess.Read, FileShare.None);
         StreamReader sr = new StreamReader (fs, System.Text.Encoding.Default);
         string row = sr.ReadLine();
         string[] rowlist = null;

         Model.XSxx XSInfoListModel = null;
         while (row != null)
         {
             rowlist = row.Split (',');
             XSInfoListModel = new Model.XSxx();
             if (rowlist.Count() == )
             {
                 XSInfoListModel.xssj = Convert.ToDateTime (rowlist[]);
                 XSInfoListModel.jhsztm = rowlist[];
                 XSInfoListModel.jhsmc = rowlist[];
                 XSInfoListModel.zsm = rowlist[];
                 XSInfoListModel.spbm = rowlist[];
                 XSInfoListModel.spmc = rowlist[];
                 XSInfoListModel.xsdj = rowlist[];
                 XSInfoListModel.xszl = rowlist[];
                 XSInfoListModel.xsje = rowlist[];
                 listXSxxInfoList.Add (XSInfoListModel);
             }
             row = sr.ReadLine();
         }
         sr.Close();
     }

     Datagridview1.DataSource = null;
     Datagridview1.DataSource = listXSxxInfoList;
 }