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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>sql/overview/form1/main.cpp Example File</h1>

 
<pre>/****************************************************************************
** $Id$
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of an example program for Qt.  This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/

#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
#include &lt;<a href="qdialog-h.html">qdialog.h</a>&gt;
#include &lt;<a href="qlabel-h.html">qlabel.h</a>&gt;
#include &lt;<a href="qlayout-h.html">qlayout.h</a>&gt;
#include &lt;<a href="qlineedit-h.html">qlineedit.h</a>&gt;
#include &lt;<a href="qsqldatabase-h.html">qsqldatabase.h</a>&gt;
#include &lt;<a href="qsqlcursor-h.html">qsqlcursor.h</a>&gt;
#include &lt;<a href="qsqlform-h.html">qsqlform.h</a>&gt;
#include "../login.h"

bool createConnections();


class FormDialog : public <a href="qdialog.html">QDialog</a>
{
    public:
        FormDialog();
};


<a name="f133"></a>FormDialog::FormDialog()
{
    <a href="qlabel.html">QLabel</a> *forenameLabel   = new <a href="qlabel.html">QLabel</a>( "Forename:", this );
    <a href="qlabel.html">QLabel</a> *forenameDisplay = new <a href="qlabel.html">QLabel</a>( this );
    <a href="qlabel.html">QLabel</a> *surnameLabel    = new <a href="qlabel.html">QLabel</a>( "Surname:", this );
    <a href="qlabel.html">QLabel</a> *surnameDisplay  = new <a href="qlabel.html">QLabel</a>( this );
    <a href="qlabel.html">QLabel</a> *salaryLabel     = new <a href="qlabel.html">QLabel</a>( "Salary:", this );
    <a href="qlineedit.html">QLineEdit</a> *salaryEdit   = new <a href="qlineedit.html">QLineEdit</a>( this );

    <a href="qgridlayout.html">QGridLayout</a> *grid = new <a href="qgridlayout.html">QGridLayout</a>( this );
    grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( forenameLabel,     0, 0 );
    grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( forenameDisplay,   0, 1 );
    grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( surnameLabel,      1, 0 );
    grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( surnameDisplay,    1, 1 );
    grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( salaryLabel,       2, 0 );
    grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( salaryEdit,        2, 1 );
    grid-&gt;<a href="qlayout.html#activate">activate</a>();

    <a href="qsqlcursor.html">QSqlCursor</a> staffCursor( "staff" );
    staffCursor.<a href="qsqlcursor.html#select">select</a>();
    staffCursor.<a href="qsqlquery.html#next">next</a>();

    <a href="qsqlform.html">QSqlForm</a> sqlForm( this );
    sqlForm.<a href="qsqlform.html#setRecord">setRecord</a>( staffCursor.<a href="qsqlcursor.html#primeUpdate">primeUpdate</a>() );
    sqlForm.<a href="qsqlform.html#insert">insert</a>( forenameDisplay, "forename" );
    sqlForm.<a href="qsqlform.html#insert">insert</a>( surnameDisplay, "surname" );
    sqlForm.<a href="qsqlform.html#insert">insert</a>( salaryEdit, "salary" );
    sqlForm.<a href="qsqlform.html#readFields">readFields</a>();
}


int main( int argc, char *argv[] )
{
    <a href="qapplication.html">QApplication</a> app( argc, argv );

    if ( ! createConnections() ) return 1;

    FormDialog *formDialog = new FormDialog();
    formDialog-&gt;<a href="qdialog.html#show">show</a>();
    app.<a href="qapplication.html#setMainWidget">setMainWidget</a>( formDialog );

    return app.<a href="qapplication.html#exec">exec</a>();
}


bool createConnections()
{
    // create the default database connection
    <a href="qsqldatabase.html">QSqlDatabase</a> *defaultDB = QSqlDatabase::<a href="qsqldatabase.html#addDatabase">addDatabase</a>( DB_SALES_DRIVER );
    if ( ! defaultDB ) {
        <a href="qapplication.html#qWarning">qWarning</a>( "Failed to connect to driver" );
        return FALSE;
    }
    defaultDB-&gt;<a href="qsqldatabase.html#setDatabaseName">setDatabaseName</a>( DB_SALES_DBNAME );
    defaultDB-&gt;<a href="qsqldatabase.html#setUserName">setUserName</a>( DB_SALES_USER );
    defaultDB-&gt;<a href="qsqldatabase.html#setPassword">setPassword</a>( DB_SALES_PASSWD );
    defaultDB-&gt;<a href="qsqldatabase.html#setHostName">setHostName</a>( DB_SALES_HOST );
    if ( ! defaultDB-&gt;<a href="qsqldatabase.html#open">open</a>() ) {
        <a href="qapplication.html#qWarning">qWarning</a>( "Failed to open sales database: " +
                  defaultDB-&gt;<a href="qsqldatabase.html#lastError">lastError</a>().driverText() );
        <a href="qapplication.html#qWarning">qWarning</a>( defaultDB-&gt;<a href="qsqldatabase.html#lastError">lastError</a>().databaseText() );
        return FALSE;
    }

    // create a named connection to oracle
    <a href="qsqldatabase.html">QSqlDatabase</a> *oracle = QSqlDatabase::<a href="qsqldatabase.html#addDatabase">addDatabase</a>( DB_ORDERS_DRIVER, "ORACLE" );
    if ( ! oracle ) {
        <a href="qapplication.html#qWarning">qWarning</a>( "Failed to connect to oracle driver" );
        return FALSE;
    }
    oracle-&gt;<a href="qsqldatabase.html#setDatabaseName">setDatabaseName</a>( DB_ORDERS_DBNAME );
    oracle-&gt;<a href="qsqldatabase.html#setUserName">setUserName</a>( DB_ORDERS_USER );
    oracle-&gt;<a href="qsqldatabase.html#setPassword">setPassword</a>( DB_ORDERS_PASSWD );
    oracle-&gt;<a href="qsqldatabase.html#setHostName">setHostName</a>( DB_ORDERS_HOST );
    if ( ! oracle-&gt;<a href="qsqldatabase.html#open">open</a>() ) {
        <a href="qapplication.html#qWarning">qWarning</a>( "Failed to open orders database: " +
                  oracle-&gt;<a href="qsqldatabase.html#lastError">lastError</a>().driverText() );
        <a href="qapplication.html#qWarning">qWarning</a>( oracle-&gt;<a href="qsqldatabase.html#lastError">lastError</a>().databaseText() );
        return FALSE;
    }

    return TRUE;
}


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<td align=right><div align=right>Qt version 3.0.2</div>
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