database problem

[mind_freak]

hi
i am able to prepare a database ,but don't know how to enter the value into database from any source:confused::confused:.For Example QLineEdit or QTextEdit


i also want to know that how to load the database ,i mean how to open and close the database.....:confused::confused:
Thanks

[lyuts]

Here you will find what you need
http://doc.trolltech.com/4.5/qsqldatabase.html#details