need help in update query

Posted on 16th Feb 2014 07:03 pm by admin

i create a form for update. there are 8 columns in my mysql table. on my main page all the data is retrieve from db and displayed on the page. after every row there is a link edit. when user click that link it goes to a form where all the required fields are displayed. the user may only change one column or two. so my question is how we will know in website which column is to be updated. ofcourse we know the column with modified value will have to be change in db but how we can implement this in php.

my code is my form which is a long one
Code: [Select]<form name="form1" method="post" action="jobsReview.php">
<p align="left">Fill the Following Form</p>
<table width="702" height="486" border="0">
<tr>
<td width="315" height="24"><div align="left">Job Title:</div></td>
<td width="377"><select name="title" id="title">
<option value="Computer Lecturer">Computer Lecturer</option>
<option value="Management Lecturer">Management Lecturer</option>
<option value="English Lecturer">English Lecturer</option>
<option value="Islamyat Lecturer">Islamyat Lecturer</option>
<option value="Electronics Lecturer">Electronics Lecturer</option>
<option value="Economics Lecturer">Economics Lecturer</option>
<option value="Mathematics Lecturer">Mathematics Lecturer</option>
</select></td>
</tr>
<tr>
<td height="26"><div align="left">University:</div></td>
<td><label>
<input type="text" name="university" id="university">
</label></td>
</tr>
<tr>
<td height="24"><div align="left">Minimum Education Required:</div></td>
<td><label>
<input type="text" name="education" id="education">
</label></td>
</tr>
<tr>
<td height="24"><div align="left">Experience Required:</div></td>
<td><label>
<input type="text" name="req_experience" id="req_experience">


</label></td>
</tr>
<tr>
<td height="21">Post On:</td>
<td><select name="day" id="day">
<?php while( $row = mysql_fetch_array($resultday) ) { ?>
<option value="<?php echo $row['id']; ?>"><?php echo $row['day']; ?></option>
<?php } ?>
</select>
-
<select name="month" id="month">
<?php while( $row = mysql_fetch_array($resultmonth) ) { ?>
<option value="<?php echo $row['id']; ?>"><?php echo $row['month']; ?></option>
<?php } ?>
</select>
-
<select name="year" id="year">
<?php while( $row = mysql_fetch_array($resultyear) ) { ?>
<option value="<?php echo $row['id']; ?>"><?php echo $row['year']; ?></option>
<?php } ?>
</select></td>
</tr>
<tr>
<td height="21">Apply By:</td>
<td><select name="days" id="days">
<?php while( $row = mysql_fetch_array($resultdays) ) { ?>
<option value="<?php echo $row['id']; ?>"><?php echo $row['day']; ?></option>
<?php } ?>
</select>
-
<select name="months" id="months">
<?php while( $row = mysql_fetch_array($resultmonths) ) { ?>
<option value="<?php echo $row['id']; ?>"><?php echo $row['month']; ?></option>
<?php } ?>
</select>
-
<select name="years" id="years">
<?php while( $row = mysql_fetch_array($resultyears) ) { ?>
<option value="<?php echo $row['id']; ?>"><?php echo $row['year']; ?></option>
<?php } ?>
</select></td>
</tr>
<tr>
<td height="325" valign="top"><div align="left">Job Description:</div></td>
<td valign="top"><label>
<textarea name="description" id="description" cols="60" rows="20"></textarea>
</label></td>
</tr>
<tr>
<td height="26">&nbsp;</td>
<td><input type="submit" name="submit" id="button" value="Edit Job"></td>
</tr>
</table>
<p>&nbsp;</p>
</form>
and here is my php
Code: [Select]<?php
if(isset($_POST['submit']))
{
$id = $_GET["id"];
$db = mysql_connect("localhost");
mysql_select_db("jobolicious", $db);
$quizquery = "UPDATE jobs_uni SET column='{$data}' WHERE id='{$id}'" or die(mysql_error());
//echo $query;
$result = mysql_query($query) or die(mysql_error());
}
?>

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