摘要：
第一步:转换导入的文件 private void btnSelectFile_Click(object sender, EventArgs e) { OpenFileDialog ofd = new OpenFileDialog(); ofd.Title = "Excel文件"; ofd.FileName = ""; ofd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments); ofd.Filter = "Exce... 阅读全文
