i have created one form for inserting and deletion.
my database name is "test" table name is "emp" which contains three fields
namely empno,empname,desig.
i have inserted some 4 to 5 values for the above table.
i have not made emp no as primary key.
i have entered random number for empno.and some values for empname and desig.
below is for insert is "new1.php"
- Code: Select all
<?php
function checkform($empno,$empname,$desig,$error)
{
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>New Record</title>
</head>
<body>
<?php
// if there are any errors, display them
if ($error!= '')
{
echo '<div style="padding:4px; border:1px solid red; color:red;">'.$error.'</div>';
}
?>
<form action="" method="post">
<div>
<strong>EmpNo: </strong> <input type="text" name="empno" value="<?php echo $empno; ?>" /><br/>
<strong>EmpName: </strong> <input type="text" name="empname" value="<?php echo $empname; ?>" /><br/>
<strong>Desig: </strong> <input type="text" name="desig" value="<?php echo $desig; ?>" /><br/>
<input type="submit" name="submit" value="Submit">
</div>
</form>
</body>
</html>
<?php
}
include('connect_db1.php');
if (isset($_POST['submit']))
{
// get form data, making sure it is valid
$empno =mysql_real_escape_string($_POST['empno']);
$empname = mysql_real_escape_string($_POST['empname']);
$desig = mysql_real_escape_string($_POST['desig']);
if ($empno == '' || $empname == '' || $desig == '')
{
// generate error message
$error = 'ERROR: Please fill in all required fields!';
// if either field is blank, display the form again
checkform($empno,$empname,$desig,$error);
}
else
{
mysql_query("INSERT emp SET empno='$empno', empname='$empname',desig='$desig'")
or die(mysql_error());
header("Location: view1.php");
}
}
else
{
checkform('','','','');
}
?>
below is "connect_db1.php"
- Code: Select all
<?php
$connection = mysql_connect("localhost","root","")
or die ("Could not connect to server ... \n" . mysql_error());
mysql_select_db("test")
or die ("Could not connect to database ... \n" . mysql_error());
?>
i am unable to delete the records .
kindly tell me how to delete the records in my table.this is with out autoincrement.
below is my "delete1.php"
- Code: Select all
<?php
// connect to the database
include('connect_db1.php');
if (isset($_POST['empno'])) /*&& is_numeric($_POST['empno'])) */
{
$empno = $_POST['empno'];
$result = mysql_query("DELETE FROM emp WHERE empno=$empno")
or die(mysql_error());
header("Location:view1.php");
}
else
{
header("Location:view1.php");
}
?>
i have also have "view1.php"
- Code: Select all
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>View Records</title>
</head>
<body>
<?php
include('connect_db1.php');
$result = mysql_query("SELECT * FROM emp") or die(mysql_error());
echo "<table border='1' cellpadding='10'>";
echo "<tr> <th>EmpNo</th> <th>EmpName</th> <th>Desig</th> <th></th> </tr>";
// loop through results of database query, displaying them in the table
while($row = mysql_fetch_array($result))
{
// echo out the contents of each row into a table
echo "<tr>";
echo '<td>' . $row['empno'] . '</td>';
echo '<td>' . $row['empname'] . '</td>';
echo '<td>' . $row['desig'] . '</td>';
echo '<td><a href="delete1.php?empno=' . $row['empno'] . '">Delete</a></td>';
echo "</tr>";
}
// close table>
echo "</table>";
?>
<p><a href="new1.php">Add a new record</a></p>
</body>
</html>
please tell me how to delete the records........
