Insert is gelukt alleen update, edit, delete

Door Lisa Brands op 09-11-2015 21:05 gewijzigd op 09-11-2015 21:56

1.792 views

Hallo ik heb een scriptje getypt en kan alleen de edit en delete button niet werken ik weet niet wat ik fout doe!
De parameters heb ik al dus daar ligt het in ieder geval niet aan :P


<?php

//DB connection string en functions
include "db.php";
include "f.php";

if(isset($_POST['btnSave'])){
	createRecord($_POST['voornaam'], $_POST['achternaam'], $_POST['leeftijd']);
}

if(isset($_POST['btnList'])){
	echo listRecords();
}


?>


<!doctype html>
<html>
	<head>
		<link rel="stylesheet" type="text/css" href="style.css">
	</head>
	
	<body>
		<h2>Insert new employee</h2>
		
		<table class="tablestyle">
			<form method="post" action="dbexamplea.php">
				<tr>
					<td>Voornaam</td>
					<td><input type="text" name="voornaam"></td>
				</tr>
				<tr>
					<td>Achternaam</td>
					<td><input type="text" name="achternaam"></td>
				</tr>
				<tr>
					<td>Leeftijd</td>
					<td><input type="text" name="leeftijd"></td>
				</tr>
				<tr>
					<td></td>
					<td><input type="submit" name="btnSave" value="Save">
					    <input type="submit" name="btnList" value="List Records">
						<form method="post" action="<?php $_PHP_SELF ?>">
					</td>
				</tr>				
			</form>
		</table>
	</body>

</html>

____________________________________________________

<?php

function listRecords() 
{
	//Create database connection and check for errors
	if(!$con = mysqli_connect(HOSTNAME, USERNAME, PASSWORD, DBNAME)){
		die("Fout bij verbinden met database!");}
						  
	//Construct SQL query
	$sqlquery = "Select * from studenten";
	
	//Execute SQL query against MySQL DB and check for errors
	if(!$result = mysqli_query($con, $sqlquery)){
		die("Fout in query!");
	}
	
	//Create table structure 
	$tmp = "<table class='tablestyle'>
				<tr>
					<td>Voornaam</td>
					<td>Achternaam</td>
					<td>Leeftijd</td>
					<td></td>
					<td></td>
				</tr>";
	
	//Loop through array data (result set)
	while($row = mysqli_fetch_array($result)){		
		$tmp = $tmp . '<tr>
							<td>' . $row['voornaam'] . '</td>
							<td>' . $row['achternaam'] . '</td>
							<td>' . $row['leeftijd'] . '</td>
							<td><input type="button" value="Edit" onclick="edit"></td>
							<input name="delete" type="submit" id="delete" value="Delete">
						</tr>';
	}
	
	//Close html table
	$tmp = $tmp . '</table>';
	return $tmp;
}

function createRecord($v, $a, $l) 
{
	//Create database connection and check for errors
	if(!$con = mysqli_connect(HOSTNAME, USERNAME, PASSWORD, DBNAME)){
		die("Fout bij verbinden met database!");
	}
	
	//Construct SQL query
	$sqlquery = "insert into studenten (voornaam, achternaam, leeftijd)
	             values('$v','$a','$l')";
	
	//Execute SQL query against MySQL DB and check for errors
	if(!$result = mysqli_query($con, $sqlquery)){
		die("Fout in query!");
	}
	
	//Done. Now show a confirmation
	echo "<script>alert('Record is succesvol opgeslagen!');</script>";
}
	//Delete records.

	$user = $_POST['user'];
	03
	$sql = "DELETE FROM users WHERE user_name = $d";
	04
	$result = mysql_query($sql);
?>