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Hi !
I am writing a program in qt creator and at first when the program is runing I should enter username and password and it should check if the username or password exist in the file . but i dont know how to do it and how to check a file lines .could you tell me ?
Posted 18-Jun-13 20:48pm

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Solution 1

Always try Google first. For example for username password entry:
 
http://www.nkonecny.com/blog/2011/09/30/creating-a-user-login/[^]
 

Basic file I/o is explained here
 
http://www.learncpp.com/cpp-tutorial/136-basic-file-io/[^]
 
You can start with the example and modify it to your needs. If that raises further questions come back here.
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