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June 2004

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QSqlDatabase warning: QMYSQL3 driver not loaded (Please...help me--!!!)
by Prabu Subroto 01 Jun '04

01 Jun '04

Dear my friends... Please tell me the solution of my problem. Compiling succeeded but I got error message when I execute the compiled code. My program does not run properly. I am using Qt 3.1 and SuSE 8.2 prabu@susefujitsu:/usr/lib/qt3/plugins/sqldrivers> /usr/lib/qt3/bin/qmake -o /home/prabu/arsip/coba-2x/qt/3/Makefile "INCLUDEPATH+=/usr/include" "LIBS+=-L/usr/lib -lmysqlclient" /home/prabu/arsip/coba-2x/qt/3/coba.pro prabu@susefujitsu:/usr/lib/qt3/plugins/sqldrivers> prabu@susefujitsu:~/arsip/coba-2x/qt/3> ls coba.pro depanform.ui main.cpp main.cpp~ prabu@susefujitsu:~/arsip/coba-2x/qt/3> make g++ -o coba .obj/main.o .obj/depanform.o .obj/moc_depanform.o -L/usr/lib/ -L/usr/lib/qt3/lib/ -L/usr/X11R6/lib/ -L/usr/lib -lmysqlclient -lqt -lXext -lX11 -lm prabu@susefujitsu:~/arsip/coba-2x/qt/3> ls Makefile coba coba.pro depanform.ui main.cpp main.cpp~ prabu@susefujitsu:~/arsip/coba-2x/qt/3> ./coba QSqlDatabase warning: QMYSQL3 driver not loaded QSqlDatabase: available drivers: QMYSQL3 QPSQL7 QODBC3 prabu@susefujitsu:~/arsip/coba-2x/qt/3> cat coba.pro SOURCES += main.cpp unix { UI_DIR = .ui MOC_DIR = .moc OBJECTS_DIR = .obj } FORMS = depanform.ui TEMPLATE =app CONFIG += qt warn_on release LANGUAGE = C++ prabu@susefujitsu:~/arsip/coba-2x/qt/3> cat main.cpp #include <qapplication.h> #include "depanform.h" #include <qmessagebox.h> #include <qsqldatabase.h> bool createConnection() { QSqlDatabase *db = QSqlDatabase::addDatabase("QMYSQL3"); db->setHostName("192.168.23.1"); db->setDatabaseName("book"); db->setUserName("root"); db->setPassword("prabumas"); if (!db->open()){ //db->lastError().showMessage(); return false; } return true; } int main( int argc, char ** argv ) { QApplication a( argc, argv ); if (!createConnection()) return 1; depanForm w; w.show(); return a.exec(); } prabu@susefujitsu:~/arsip/coba-2x/qt/3> cat depanform.ui <!DOCTYPE UI><UI version="3.1" stdsetdef="1"> <class>depanForm</class> <widget class="QDialog"> <property name="name"> <cstring>depanForm</cstring> </property> <property name="geometry"> <rect> <x>0</x> <y>0</y> <width>600</width> <height>480</height> </rect> </property> <property name="caption"> <string>Halaman Depan</string> </property> </widget> <pixmapinproject/> <layoutdefaults spacing="6" margin="11"/> </UI> prabumas@susefujitsu:~/arsip/coba-2x/qt/3> --- Jeffrey Laramie <JALaramie(a)Loudoun-Fairfax.com> wrote: > On Tuesday 25 May 2004 14:23, Prabu Subroto wrote: > > Dear my friends... > > > > I want to develop a database application with qt > and > > MySQL. I begin from a very simple application, > only > > selecting (query : select * from book) a table. > > > > Compiling succeeded. But if I executed the > compiled > > program, I found this error message: > > " > > Error occurred while accessing the database > > ". > > > > A couple of points: > > 1) Make sure you added the code to your app that > makes the connection. You > don't need it while working in Qt Designer, but it > has to be coded into the > app. > > 2) You need to compile your program as a threaded > app or it won't make a > connection. > > Jeff __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/

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Re: [suse-programming-e] problem in qt for beginner
by Prabu Subroto 01 Jun '04

01 Jun '04

Tom Swans... C++ for Linux 40 euro. C++ GUI Programming with Qt 3. 43 euro --- Carl William Spitzer IV <cwsiv(a)myrealbox.com> wrote: > Which book? > > How much? > > CWSIV > > On Tue, 2004-05-25 at 05:03, Prabu Subroto wrote: > > Thanks Preston... > > It's solved now. > > > > About your advice, I'll keep it my mind. I got a > C++ > > book from Amazon now (GNU C++). I'll read this > book > > carefully during I getting to know more about Qt. > > And if I have a problem, I'll ask again. > > > > Once again, thank you very...very... much. > > http://messenger.yahoo.com/ > __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/

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