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.
77 lines
3.3 KiB
77 lines
3.3 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:40 -->
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|
<title>sql/overview/navigating/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 Classes</font></a>
|
|
| <a href="mainclasses.html">
|
|
<font color="#004faf">Main Classes</font></a>
|
|
| <a href="annotated.html">
|
|
<font color="#004faf">Annotated</font></a>
|
|
| <a href="groups.html">
|
|
<font color="#004faf">Grouped 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/navigating/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 <<a href="qapplication-h.html">ntqapplication.h</a>>
|
|
#include <<a href="qsqldatabase-h.html">ntqsqldatabase.h</a>>
|
|
#include <<a href="qsqlquery-h.html">ntqsqlquery.h</a>>
|
|
#include "../connection.h"
|
|
|
|
int main( int argc, char *argv[] )
|
|
{
|
|
<a href="ntqapplication.html">TQApplication</a> app( argc, argv, FALSE );
|
|
|
|
if ( createConnections() ) {
|
|
<a href="ntqsqlquery.html">TQSqlQuery</a> query( "SELECT id, name FROM people ORDER BY name" );
|
|
if ( ! query.<a href="ntqsqlquery.html#isActive">isActive</a>() ) return 1; // Query failed
|
|
int i;
|
|
i = query.<a href="ntqsqlquery.html#size">size</a>(); // In this example we have 9 records; i == 9.
|
|
query.<a href="ntqsqlquery.html#first">first</a>(); // Moves to the first record.
|
|
i = query.<a href="ntqsqlquery.html#at">at</a>(); // i == 0
|
|
query.<a href="ntqsqlquery.html#last">last</a>(); // Moves to the last record.
|
|
i = query.<a href="ntqsqlquery.html#at">at</a>(); // i == 8
|
|
query.<a href="ntqsqlquery.html#seek">seek</a>( query.<a href="ntqsqlquery.html#size">size</a>() / 2 ); // Moves to the middle record.
|
|
i = query.<a href="ntqsqlquery.html#at">at</a>(); // i == 4
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
</pre><!-- eof -->
|
|
<p><address><hr><div align=center>
|
|
<table width=100% cellspacing=0 border=0><tr>
|
|
<td>Copyright © 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>
|