From d796c9dd933ab96ec83b9a634feedd5d32e1ba3f Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Tue, 8 Nov 2011 12:31:36 -0600 Subject: Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731 --- doc/html/sqltable-example.html | 121 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 doc/html/sqltable-example.html (limited to 'doc/html/sqltable-example.html') diff --git a/doc/html/sqltable-example.html b/doc/html/sqltable-example.html new file mode 100644 index 000000000..858319725 --- /dev/null +++ b/doc/html/sqltable-example.html @@ -0,0 +1,121 @@ + + + + + +SQL Table + + + + + + + +
+ +Home + | +All Classes + | +Main Classes + | +Annotated + | +Grouped Classes + | +Functions +

SQL Table

+ + +

+This example shows how to use a TQDataTable to browse data in a SQL database. +


+

Implementation: +

/****************************************************************************
+**
+** 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 <qapplication.h>
+#include <qsqldatabase.h>
+#include <qdatatable.h>
+#include <qsqlcursor.h>
+#include <qmessagebox.h>
+
+/* Modify the following to match your environment */
+#define DRIVER       "TQSQLITE"  /* see the TQt SQL documentation for a list of available drivers */
+#define DATABASE     ":memory:" /* the name of your database */
+#define USER         ""   /* user name with appropriate rights */
+#define PASSWORD     ""   /* password for USER */
+#define HOST         "" /* host on which the database is running */
+
+class SimpleCursor : public TQSqlCursor
+{
+public:
+    SimpleCursor () : TQSqlCursor( "simpletable" ) {}
+protected:
+    TQSqlRecord* primeInsert()
+    {
+        /* a real-world application would use sequences, or the like */
+        TQSqlRecord* buf = TQSqlCursor::primeInsert();
+        TQSqlQuery q( "select max(id)+1 from simpletable" );
+        if ( q.next() )
+               buf->setValue( "id", q.value(0) );
+        return buf;
+    }
+};
+
+int main( int argc, char ** argv )
+{
+    TQApplication a( argc, argv );
+
+    TQSqlDatabase * db = TQSqlDatabase::addDatabase( DRIVER );
+    db->setDatabaseName( DATABASE );
+    db->setUserName( USER );
+    db->setPassword( PASSWORD );
+    db->setHostName( HOST );
+
+    if( !db->open() ){
+        db->lastError().showMessage( "An error occured. Please read the README file in the sqltable"
+                                     "dir for more information.\n\n" );
+        return 1;
+    }
+
+    if (!db->tables().contains("simpletable")) {
+        TQSqlQuery q("create table simpletable(id int, name varchar(20), address varchar(20))", db);
+    }
+
+    SimpleCursor cursor;
+
+    TQDataTable table( &cursor ); /* data table uses our cursor */
+    table.addColumn( "name", "Name" );
+    table.addColumn( "address", "Address" );
+    table.setSorting( TRUE );
+
+    a.setMainWidget( &table );
+    table.refresh(); /* load data */
+    table.show();    /* show widget */
+
+    return a.exec();
+}
+
+ +

See also TQt SQL Examples. + + +


+ +
Copyright © 2007 +TrolltechTrademarks +
TQt 3.3.8
+
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