Asp.Net FileUpLoad 檔案上傳實作

   1: protected void saveit_Click(object sender, EventArgs e)  //定義 上傳 click 事件

   2:    {

   3:        try

   4:        {

   5:            if (savefile(FileUpload1) == true) ;

   6:            Response.Write("Upload OK");

   7:        }

   8:        catch (Exception ex)

   9:        {

  10:            Response.Write("error code : " + ex.Message);

  11:        }

  12:    }

  13:  

  14: bool savefile(FileUpload FileUpload1)

  15:    {

  16:         string phypath = Server.MapPath("~");      //上傳的路徑加檔名

  17:            if (FileUpload1.HasFile == true)    //判斷上傳物件否存在

  18:            {

  19:               

  20:                File.Delete(phypath);            //重覆檔名無法上傳 , 所以使用System.IO 將檔案刪除

  21:                FileUpload1.SaveAs(phypath);    //上傳檔案,回傳boolin

  22:                return true;

  23:            }

  24:            else

  25:            {

  26:                return false;

  27:            }

  28:    }