How to show text file data on datagrideview?

http://www.c-sharpcorner.com/UploadFile/ankurmee/import-data-from-text-and-csv-file-to-datagridview-in-net/, http://social.msdn.microsoft.com/Forums/en-US/vbgeneral/thread/c7b2eb92-98a0-40b6-9a2d-bc2d70bf9efa/, http://stackoverflow.com/questions/7095359/putting-a-txt-file-into-a-datagridview