source: trunk/doc/html/sql-overview-update-main-cpp.html@ 203

Last change on this file since 203 was 190, checked in by rudi, 14 years ago

reference documentation added

File size: 3.1 KB
Line 
1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
2<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/sql.doc:47 -->
3<html>
4<head>
5<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
6<title>sql/overview/update/main.cpp Example File</title>
7<style type="text/css"><!--
8fn { margin-left: 1cm; text-indent: -1cm; }
9a:link { color: #004faf; text-decoration: none }
10a:visited { color: #672967; text-decoration: none }
11body { background: #ffffff; color: black; }
12--></style>
13</head>
14<body>
15
16<table border="0" cellpadding="0" cellspacing="0" width="100%">
17<tr bgcolor="#E5E5E5">
18<td valign=center>
19 <a href="index.html">
20<font color="#004faf">Home</font></a>
21 | <a href="classes.html">
22<font color="#004faf">All&nbsp;Classes</font></a>
23 | <a href="mainclasses.html">
24<font color="#004faf">Main&nbsp;Classes</font></a>
25 | <a href="annotated.html">
26<font color="#004faf">Annotated</font></a>
27 | <a href="groups.html">
28<font color="#004faf">Grouped&nbsp;Classes</font></a>
29 | <a href="functions.html">
30<font color="#004faf">Functions</font></a>
31</td>
32<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/update/main.cpp Example File</h1>
33
34
35<pre>/****************************************************************************
36** $Id: sql-overview-update-main-cpp.html 2051 2007-02-21 10:04:20Z chehrlic $
37**
38** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
39**
40** This file is part of an example program for Qt. This example
41** program may be used, distributed and modified without limitation.
42**
43*****************************************************************************/
44
45#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
46#include &lt;<a href="qsqldatabase-h.html">qsqldatabase.h</a>&gt;
47#include &lt;<a href="qsqlcursor-h.html">qsqlcursor.h</a>&gt;
48#include "../connection.h"
49
50int main( int argc, char *argv[] )
51{
52 <a href="qapplication.html">QApplication</a> app( argc, argv, FALSE );
53
54 if ( createConnections() ) {
55 <a href="qsqlcursor.html">QSqlCursor</a> cur( "prices" );
56 cur.<a href="qsqlcursor.html#select">select</a>( "id=202" );
57 if ( cur.<a href="qsqlquery.html#next">next</a>() ) {
58 <a href="qsqlrecord.html">QSqlRecord</a> *buffer = cur.<a href="qsqlcursor.html#primeUpdate">primeUpdate</a>();
59 double price = buffer-&gt;<a href="qsqlrecord.html#value">value</a>( "price" ).toDouble();
60 double newprice = price * 1.05;
61 buffer-&gt;<a href="qsqlrecord.html#setValue">setValue</a>( "price", newprice );
62 cur.<a href="qsqlcursor.html#update">update</a>();
63 }
64 }
65
66 return 0;
67}
68</pre><!-- eof -->
69<p><address><hr><div align=center>
70<table width=100% cellspacing=0 border=0><tr>
71<td>Copyright &copy; 2007
72<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
73<td align=right><div align=right>Qt 3.3.8</div>
74</table></div></address></body>
75</html>
Note: See TracBrowser for help on using the repository browser.