２０２１ｔ

using System.Net.Mail;
 
MailMessage msg = new MailMessage();

(DetailsView1.FindControls("TextBox1") as TextBox).Text

http://s.yanghao.org/program/viewdetail.php?i=162930

 1: protected void FileUploadButton_Click(object sender, EventArgs e)

 2: {

 3:  

 4:     Boolean FileOK = false;

 5:     string FilePath = "D:\\upload\\"; //設定上傳的路徑

 6:     if (FileUploadField.HasFile)

 7:     {

 8:         string fileExtension = System.IO.Path.GetExtension(FileUploadField.FileName).ToLower(); //如果副檔名有大寫則將他轉為小寫

 9:         string[] allowExtensions = { ".zip", ".rar", ".7z", ".doc", ".docx" }; //允許的檔案類型

 10:         for (int i = 0; i < allowExtensions.Length; i++)

 11:         {

 12:             if (fileExtension == allowExtensions[i])

 13:             {

 14:                 FileOK = true;

 15:             }

 16:         }

 17:     }

 18:  

 19:  

 20:  

 21:     if (FileOK)

 22:     {

 23:         try

 24:         {

 25:             string tmpFileName = FileUploadField.FileName;

 26:             string Date = DateTime.Now.ToString("MM-dd-hh-mm");

 27:             tmpFileName = Date + "_" + FileUploadField.FileName;

 28:             FileUploadField.PostedFile.SaveAs(FilePath + tmpFileName);

 29:             UploadedMessage.Text = "你所上傳的檔案為「" + FileUploadField.FileName + "」<br/>上傳成功";

 30:         }

 31:         catch (Exception ex)

 32:         {

 33:             UploadedMessage.Text = "上傳失敗";

 34:         }

 35:     }

 36:     else

 37:     {

 38:         UploadedMessage.Text = "不允許此類型檔案的上傳";

 39:     }

 40: }