Wednesday, 27 April 2022

Auto ID in forms

 Hi all,

This has got three parts

1. Code in the form - saveform.php

<html>

<body>

<?php

include('dbconnect.php');

$mid=getid('student','sid');

?>

<form action=savestudent.php method=post>

Id <input type=text name=id1 value='<?php echo $mid; ?>' disabled >

<input type=hidden name=id value='<?php echo $mid; ?>'  ><br>

Name <input type=text name=name><br>

<input type=submit value='save'>

</form>

</body>

</html>


2. Code in the save part -savestudent.php



<?php

$id=$_POST['id'];

echo $id;

include('dbconnect.php')

//DB insert query part

?>


3. Include file - dbconnect.php


<?php

$con = mysql_connect("localhost","root","");

if (!$con)

  {

  die('Could not connect: ' . mysql_error());

  }

mysql_select_db("anganwadi", $con);

function getid($tablename,$fieldid)

{

$query="select max($fieldid)+1 as mid from $tablename";

echo $query;

$data=mysql_query($query);

$maxid=0;

while($row=mysql_fetch_array($data))

{

$maxid=$row['mid'];

}

return $maxid;

}

?>

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