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Editorial Team
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Asked: 2026-06-02T18:27:18+00:00

I have a table disease , which has the columns diid , diseasename and

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I have a table disease, which has the columns diid, diseasename and descrption, in a database called hcp.

I want to simply input from a HTML form; here is my code so far.

<html><head><title>Disease Inssert</title></head>
<body>
<form action="diseaselist.php" method="post">
Disease Name : <input type="text" name="txtDiseaseName" id="textbox" /><br />
Description : <input type="text" name="txtDiseaseDescription" id="textbox" /><br />
<input type="submit" name="btnDiseaseSubmit" id="button"/>

</form>
</body>
</html>

<?php
mysql_connect("localhost","root","");
mysql_select_db("hcp");

if($_REQUEST['btnDiseaseSubmit'])
{
$queryDiseaseInsert="INSERT INTO  disease (`diseasename` ,`description`) VALUES ('".$_REQUEST['txtDiseaseName']."', '".$_REQUEST['txtDiseaseDescription']."');";

$resultDI=mysql_query($queryDiseaseInsert) or die(mysql_error());
}
?>

After submitting, page is redirecting to the diseaselist.php, but the data is not saving in the database.

Can anyone see anything wrong with my query?

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1 Answer

  1. Editorial Team

    The form is submitting directly to the list <form action="diseaselist.php" method="post">
    .
    The code saving to the database is never executed.

    You could create an intermediate page, let’s say process.php containing the code for adding to the database:

    <?php
mysql_connect("localhost","root","");
mysql_select_db("hcp");

if($_REQUEST['btnDiseaseSubmit'])
{
    $queryDiseaseInsert="INSERT INTO  disease (`diseasename` ,`description`) VALUES ('". mysql_real_escape_string($_REQUEST['txtDiseaseName'])."', '".mysql_real_escape_string($_REQUEST['txtDiseaseDescription'])."');";

   $resultDI=mysql_query($queryDiseaseInsert) or die(mysql_error());
   // insert is complete, redirect to list
   header("location: diseaselist.php");
} else {
   // the form was not submitted
   // redirect back to the form or show error message
}

?>

    Changes:

    • added mysql_real_escape_string
    • after insert, send the header instruction to redirect the browser to the list

    Now, in your current file, leave only the html code and update the action attribute to submit the form to the process.php script:

    <html><head><title>Disease Inssert</title></head>
<body>
<form action="process.php" method="post">
Disease Name : <input type="text" name="txtDiseaseName" id="textbox" /><br />
Description : <input type="text" name="txtDiseaseDescription" id="textbox" /><br />
<input type="submit" name="btnDiseaseSubmit" id="button"/>

</form>
</body>
</html>

    Changes:

    • updated the form action attribute to process.php
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