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Editorial Team
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Asked: 2026-06-03T01:13:22+00:00

I am using trendlines for my line chart. But it is not visible in

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I am using trendlines for my line chart. But it is not visible in my browser.Can anyone tell me the reason for this. Below i am giving code:

<?php
include("Includes/FusionCharts.php");
include("Includes/DBconn.php");
include("Includes/FC_Colors.php");
?>
<html>
    <title> Blood Pressure</title>
    <head>
        <script language="javascript" src="FusionCharts/FusionChart.js"></script>

    </head>
    <body>
    <center>
        <?php

        //connect to the DB
        $link= connectToDB();

        $query =  "select * from patient_health order by ondate";

        $result=mysql_query($query)or die(mysql_error());
        //echo $result;
        $strXML = "<graph caption='Blood Pressure Reading' subCaption='Month wise' xaxisname='Current Month' yaxisname='Blood Pressure(Systolic/diastole)'  yAxisMaxValue='400'
    animation='1' rotatenames='1'>";
$categories = "<categories>";
$systolic = "<dataset seriesName='systole'>";
$diaolic = "<dataset seriesName='diastole'>";
while ($row = mysql_fetch_array($result)) {
    $categories .= "<category name='" . $row["ondate"] . "' />";
    $systolic .= "<set color='AFD8F8' value='" . $row["systole_reading"] . "'  hoverText='systolic' />";
    $diaolic .= "<set value='" . $row["diastole_reading"] . "' color='FEDCBC' hoverText='diastolic'/>";
}
$strXML .= $categories . "</categories>" . $systolic . "</dataset>" . $diaolic . "</dataset>" . "</graph>";
**$strXML .=" <trendlines>
    <line startValue='140' color='91C728' displayValue='Target' showOnTop='1'/>
  </trendlines>";**
//$strXML now has the complete XML required to render the multi-series chart.

//Create the chart - Pie 3D Chart with data from $strXML
   echo renderChartHTML("FusionCharts/FCF_MSLine.swf", "", $strXML, "BloodPressure", 850, 450,false);
   //echo renderChartHTML("FusionCharts/FCF_MSBar2D.swf", "", $strXML, "BloodPressure", 850, 450,false);

       ?>

    </center>

    </body>

</html>

Did i place the code correctly or i have to change it . Can anyone please give me solution

Thank you in advance
Ramsai

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1 Answer

  1. Editorial Team

    It seems that in your code, you are closing the <graph> tag before adding <trendlines>!

    Correct code would be:

    $strXML .= $categories . "</categories>" . $systolic . "</dataset>" . $diaolic . "</dataset>";

$strXML .=" <trendlines>
    <line startValue='140' color='91C728' displayValue='Target' showOnTop='1'/>
  </trendlines>" . "</graph>";
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