close
using System.IO;
string NewFilePath = (System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\Output\\" + CoIdFileName + YrId + SsId + "\\").Replace("/", "\\");
string[] files = Directory.GetFiles(NewFilePath, "*.xls");//找出目錄底下檔案
//逐筆刪除
foreach (string file in files)
{
File.Delete(file);
}
//刪除空資料夾
Directory.Delete(路徑);
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