Hallo,
ich habe das Problem, das ich bei Curving the Lines Daten aus zwei Tabellen
einer DB hinzufügen muss.
Habe es jetzt mit var dataA und var dataB probiert und versucht mit
chart.draw(dataA, dataB, options); auf zu rufen. Es wird mir leider nur
dataA angezeigt.
Kann mir jemand helfen? Ich füge den Code unten bei:
<?
include("overview.inc");
?>
<script type="text/javascript" src="
https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1','packages':['corechart']}]}"></script
>
<script type="text/javascript">
google.setOnLoadCallback(drawChart);
function drawChart() {
var dataA = google.visualization.arrayToDataTable([
['Zeit', 'Wert heute'],
<?php
include("overview.inc");
$result=mysql_query("SELECT Zeit,Wert FROM statuszehn ORDER BY SZID;");
$i=0;
while( $row=mysql_fetch_array($result) )
{
echo "['".$row['Zeit']."',".$row['Wert']."],";
$i++;
}
?>
]);
var dataB = google.visualization.arrayToDataTable([
['Zeit', 'Wert gestern'],
<?php
$result=mysql_query("SELECT Zeit, Wert FROM statuszehngestern ORDER BY
SZGID;");
$j=0;
while( $row=mysql_fetch_array($result) )
{
echo "['".$row['Zeit']."',".$row['Wert']."],";
$j++;
}
?>
]);
var options = {
title: 'Status 10',
curveType: 'function',
legend: { position: 'bottom' }
};
var chart = new
google.visualization.LineChart(document.getElementById('curve_chart'));
chart.draw(dataA, dataB, options);
}
</script>
<div id="curve_chart" style="width: 900px; height: 500px"></div>
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