You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tqt3/doc/html/sql-overview-subclass3-main...

101 lines
4.0 KiB

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/sql.doc:63 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>sql/overview/subclass3/main.cpp Example File</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
<a href="index.html">
<font color="#004faf">Home</font></a>
| <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
| <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
| <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
| <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
| <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<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/subclass3/main.cpp Example File</h1>
<pre>/****************************************************************************
** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "main.h"
#include &lt;<a href="qdatatable-h.html">ntqdatatable.h</a>&gt;
<a name="f23"></a>InvoiceItemCursor::InvoiceItemCursor() :
<a href="ntqsqlcursor.html">TQSqlCursor</a>( "invoiceitem" )
{
<a href="qsqlfieldinfo.html">TQSqlFieldInfo</a> productName( "productname", TQVariant::String );
<a href="ntqsqlcursor.html#append">append</a>( productName );
<a href="ntqsqlcursor.html#setCalculated">setCalculated</a>( productName.<a href="qsqlfieldinfo.html#name">name</a>(), TRUE );
}
TQVariant InvoiceItemCursor::<a href="ntqsqlcursor.html#calculateField">calculateField</a>( const <a href="ntqstring.html">TQString</a> &amp; name )
{
if ( name == "productname" ) {
<a href="ntqsqlquery.html">TQSqlQuery</a> query( "SELECT name FROM prices WHERE id=" +
<a href="ntqsqlrecord.html#field">field</a>( "pricesid" )-&gt;value().toString() );
if ( query.<a href="ntqsqlquery.html#next">next</a>() )
return query.<a href="ntqsqlquery.html#value">value</a>( 0 );
}
return TQVariant( TQString::null );
}
int main( int argc, char *argv[] )
{
<a href="ntqapplication.html">TQApplication</a> app( argc, argv );
if ( createConnections() ) {
InvoiceItemCursor invoiceItemCursor;
<a href="ntqdatatable.html">TQDataTable</a> *invoiceItemTable = new <a href="ntqdatatable.html">TQDataTable</a>( &amp;invoiceItemCursor );
app.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( invoiceItemTable );
invoiceItemTable-&gt;<a href="ntqdatatable.html#addColumn">addColumn</a>( "productname", "Product" );
invoiceItemTable-&gt;<a href="ntqdatatable.html#addColumn">addColumn</a>( "quantity", "Quantity" );
invoiceItemTable-&gt;<a href="ntqdatatable.html#addColumn">addColumn</a>( "paiddate", "Paid" );
invoiceItemTable-&gt;<a href="ntqdatatable.html#refresh">refresh</a>();
invoiceItemTable-&gt;<a href="ntqwidget.html#show">show</a>();
return app.<a href="ntqapplication.html#exec">exec</a>();
}
return 1;
}
</pre><!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>TQt 3.3.8</div>
</table></div></address></body>
</html>