I want to write a code that should let me select from a drop down list and onClick of a button load the data from a mysql database.However I cannot access the value selected in the drop down menu.I have tried to access them by $_POST['var_name'] but still can't do it.
I'm new to PHP.
Following is my code:
<?php
function load(){
$department = $_POST['dept'];
$employee = $_POST['emp'];
//echo "$department";
//echo "$employee";
$con = mysqli_connect("localhost", "root", "pwd", "payroll");
$rs = $con->query("select * from dept where deptno='$department'");
$row = $rs->fetch_row();
$n = $row[0];
$rs->free();
$con->close();
}
?>
<html>
<head>
<title>Payroll</title>
</head>
<body>
<h1 align="center">IIT Department</h1>
<form method="
post">
<table align="center">
<tr>
<td>
Dept Number:
<select name="dept">
<option value="10" selected="selected">10</option>
<option value="20">20</option>
<option value="30">30</option>
<option value="40">40</option>
</select>
</td>
<td>
<input type="button" value="ShowDeptEmp" name="btn1">
</td>
<td>
Job:
<select name="job">
<option value="President" selected="selected">President</option>
<option value="Manager">Manager</option>
<option value="Clerk">Clerk</option>
<option value="Salesman">Salesman</option>
<option value="Analyst">Analyst</option>
</select>
</td>
<td>
<input type="button" value="ShowJobEmp" name="btn1">
</td>
</tr>
</table>
</form>
<?php if(isset($_POST['dept']) && $_POST['dept'] != "") load(); ?>
</body>
</html>
