string strFilePath = @"C:\myfile.txt";
DateTime lastModified = System.IO.File.GetLastWriteTime(strFilePath);
参考:上File.GetLastWriteTime
MSDN。
尝试这个。
FileInfo fileInfo = new FileInfo("path");
var created = fileInfo.CreationTime; //File Creation
var lastmodified = fileInfo.LastWriteTime;//File Modification