To read a text file

Question

i have found a problem when i use the seek methode.
i use visual studio 2005 expresse edition.
am writing a new application to read from a file and put the data into a database but ihave found a prblem with seek methode it dosn't work correctly, i use it but nothing will happen, i don't know if the peroblem is in Expresse edition only or what.
please if you can tell me any suggestion to resolve that problem!
tnx