System.IO.DirectoryNotFoundException: 'D:\wwwroot\ctc.chastemcell.com\Upload\Announe\' 경로의 일부를 찾을 수 없습니다. 위치: System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) 위치: System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) 위치: System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) 위치: System.Web.HttpResponse.WriteFile(String filename, Boolean readIntoMemory) 위치: Download_Default.Page_Load(Object sender, EventArgs e) 파일 d:\wwwroot\ctc\Download\Default.aspx.cs:줄 27