how to filter data in chart js bar graph with drop down
i want to filter the data in bar graph with the drop down data. but when i trying to retrieve data $select_name graph not working. when comment that variable in data.php it works fine. so how to add the variable to my sql query with html drop down?
i want bar graph to change when i change the month.
with this given link data.
filtering data using sql query for show in bar graph
data.php
<?php
header('Content-Type:application/json');
if(!$mysqli){
die("Connection failed: ".$mysqli->error);
}
//$Select_name=$_GET['Select_name'];
$query = sprintf("SELECT jobType,SUM(jobCount) AS jobCount FROM supplier_job where MONTH(jobPublished)=$Select_name GROUP BY jobType ");
$result= $mysqli->query($query);
$data =array();
foreach ($result as $row){
$data= $row;
}
$result->close();
$mysqli->close();
print json_encode($data);
here is html code part
bargraph.html
<form action="" method="GET">
<p>Filter with month<br>
<select name="Month">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
</select><br>
php sql json chart.js
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
add a comment |
i want to filter the data in bar graph with the drop down data. but when i trying to retrieve data $select_name graph not working. when comment that variable in data.php it works fine. so how to add the variable to my sql query with html drop down?
i want bar graph to change when i change the month.
with this given link data.
filtering data using sql query for show in bar graph
data.php
<?php
header('Content-Type:application/json');
if(!$mysqli){
die("Connection failed: ".$mysqli->error);
}
//$Select_name=$_GET['Select_name'];
$query = sprintf("SELECT jobType,SUM(jobCount) AS jobCount FROM supplier_job where MONTH(jobPublished)=$Select_name GROUP BY jobType ");
$result= $mysqli->query($query);
$data =array();
foreach ($result as $row){
$data= $row;
}
$result->close();
$mysqli->close();
print json_encode($data);
here is html code part
bargraph.html
<form action="" method="GET">
<p>Filter with month<br>
<select name="Month">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
</select><br>
php sql json chart.js
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
add a comment |
i want to filter the data in bar graph with the drop down data. but when i trying to retrieve data $select_name graph not working. when comment that variable in data.php it works fine. so how to add the variable to my sql query with html drop down?
i want bar graph to change when i change the month.
with this given link data.
filtering data using sql query for show in bar graph
data.php
<?php
header('Content-Type:application/json');
if(!$mysqli){
die("Connection failed: ".$mysqli->error);
}
//$Select_name=$_GET['Select_name'];
$query = sprintf("SELECT jobType,SUM(jobCount) AS jobCount FROM supplier_job where MONTH(jobPublished)=$Select_name GROUP BY jobType ");
$result= $mysqli->query($query);
$data =array();
foreach ($result as $row){
$data= $row;
}
$result->close();
$mysqli->close();
print json_encode($data);
here is html code part
bargraph.html
<form action="" method="GET">
<p>Filter with month<br>
<select name="Month">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
</select><br>
php sql json chart.js
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
i want to filter the data in bar graph with the drop down data. but when i trying to retrieve data $select_name graph not working. when comment that variable in data.php it works fine. so how to add the variable to my sql query with html drop down?
i want bar graph to change when i change the month.
with this given link data.
filtering data using sql query for show in bar graph
data.php
<?php
header('Content-Type:application/json');
if(!$mysqli){
die("Connection failed: ".$mysqli->error);
}
//$Select_name=$_GET['Select_name'];
$query = sprintf("SELECT jobType,SUM(jobCount) AS jobCount FROM supplier_job where MONTH(jobPublished)=$Select_name GROUP BY jobType ");
$result= $mysqli->query($query);
$data =array();
foreach ($result as $row){
$data= $row;
}
$result->close();
$mysqli->close();
print json_encode($data);
here is html code part
bargraph.html
<form action="" method="GET">
<p>Filter with month<br>
<select name="Month">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
</select><br>
php sql json chart.js
php sql json chart.js
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
asked Nov 25 '18 at 10:12
Pasindu SenarathPasindu Senarath
117116
117116
add a comment |
add a comment |
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