How to get the last modified date of the uploaded file?

Question

I upload an XML file to migrate its contents to my database, but I want firstly store the last modified date of that file to assure that no change has happened to that file from

Answer 1

System.IO.FileInfo object should yield a LastWriteTime property

FileInfo myFileInfo= new FileInfo(path) ;
myFileInfo.Refresh();
string t = myFileInfo.LastWriteTime.ToString("F")