Blank data stored by mysql query in form page

mysql is not null or empty
select only those columns which are not null
sql query to find null columns in a table
sql select where multiple columns are not null
how to remove null columns in sql query
sql check if any column is null
sql check if column is null or empty
how to remove null rows in sql query

The form is meant to capture a new user and store user data in the database, except that it does not store any data though the form still returns a successful message.

Form page:

<?php

$servername = "*****";
$username = "*****";
$password = "*****";
$database = "*****";

// Create connection
$conn = new mysqli($servername, $username, $password, $database);

// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
} 
echo "Connected successfully";


 ?>


<div class="row">
<div class="col-xs-12">
    <section class="panel">
        <header class="panel-heading">
            <h2 class="panel-title">Laai Nuwe Lid</h2>
        </header>
        <div class="panel-body">
            <form class="form-horizontal form-bordered" action="" 
method="post">

                <p><strong>ID:</strong> Nuwe lid</p>


                                    <div class="form-group">
                    <label class="col-md-3 control-label" 
for="FirstName">Naam:</label>
                        <div class="col-md-6">
                            <input type="text" class="form-control" 
name="FirstName" id="FirstName" value="<?php echo $firstname; ?>">
                        </div>
                </div>  


                                    <div class="form-group">
                    <label class="col-md-3 control-label" 
for="LastName">Van:</label>
                        <div class="col-md-6">
                            <input type="text" class="form-control" 
name="LastName" id="LastName" value="<?php echo $lastname; ?>"'>
                        </div>
                </div>

                <div class="form-group">
                    <label class="col-md-3 control-label" 
for="Cell">Selfoon:</label>
                        <div class="col-md-6">
                            <input type="text" class="form-control" 
name="Cell" id="Cell" value="<?php echo $cell; ?>">
                        </div>
                </div>

                <div class="form-group">
                    <label class="col-md-3 control-label" 
for="Address">Addres:</label>
                        <div class="col-md-6">
                            <input type="text" class="form-control" 
name="Address" id="Address" value="<?php echo $adress; ?>">
                        </div>
                </div>

                                    <div class="row">
                        <div class="col-sm-9 col-sm-offset-3">
                            <button value="submit" type="submit" 
name="submit" class="btn btn-primary">Stoor nuwe lid</button>
                            <button type="reset" class="btn btn- 
default">Kanselleer</button>
                        </div>
                </div>

            </form>
        </div>
    </section>
</div>
</div>


<?php

// check if the form has been submitted. If it has, start to process the 
form and save it to the database

if (isset($_POST['submit'])) {

// get form data, making sure it is valid

$firstname = 
mysql_real_escape_string(htmlspecialchars($_POST['firstname']));
$lastname = 
mysql_real_escape_string(htmlspecialchars($_POST['lastname']));
$cell = mysql_real_escape_string(htmlspecialchars($_POST['cell']));
$address = mysql_real_escape_string(htmlspecialchars($_POST['address']));


$sql = "INSERT INTO `tblusers` (FirstName, LastName, Cell, Address) VALUES 
('$firstname','$lastname', '$cell','$address')";

if ($conn->query($sql) === TRUE) {
    echo "New record created successfully";
} else {
 echo "Error: " . $sql . "<br>" . $conn->error;
}

// once saved, redirect back to the view page

header("Location: index.php");

}      
?>  

I am not sure if the problem is with PHP or the SQL code as I get no error messages.

The database connects fine. The query works in mysql directly, but when I combine the PHP with the HTML form it stores blank rows.

The code does not work because when you tried to comment out the validation part 'if condition' you forgot to comment out its 'else condition'.

I am talking about this line:

//if ($firstname == '' || $lastname == '' || $cell == '' || $address == '') {

HTML Form is not adding data to MySQL database? - PHP, 2020, 5:34pm #5. After I run the submission, it simply says NULL Don't output raw database statement errors onto a live web page. The try/catch They should be stored using a character data type in a database. 2 Likes. Both fields have required attribute which means form will not save until title and post_content have any text. In form tag action attribute is empty (action=””) which means form will be posted on the same page and method=”post” which means data is sensitive and will not show in url. For more details on form post method visit POST(HTTP).

The reason it was not working is because the variables were not the same, PHP is case sensitive. E.G lastname while HTML was LastName.

$firstname = 
mysql_real_escape_string(htmlspecialchars($_REQUEST['FirstNameirstname']));
$lastname = mysql_real_escape_string(htmlspecialchars($_REQUEST['LastName']));
$cell = mysql_real_escape_string(htmlspecialchars($_REQUEST['Cell']));
$address = mysql_real_escape_string(htmlspecialchars($_REQUEST['Address']));

How to SELECT Records With No NULL Values in MySQL, While most applications will have some form of server-side or even client-side technology that can be used to filter out database query results which may contain  I enabled the MySQL extension in php.ini by uncommenting the line extension=php_mysqli.dll I tested the mysql connection from a dos prompt it worked , i can check ith a show database the list of the databse . But each time i put come synatc mysql in a php page the resultis a blank page . I read that we neee in php5 mysqli.dll but I found only

Kindly use the following function :

$con->mysqli_real_escape_string ( $_POST['...'])

in place of

mysql_real_escape_string(htmlspecialchars($_POST['...']))

PHP and MySQL Web Development All-in-One Desk Reference For Dummies, All the information from the form is in the array. 4911 Starts an i f statement that executes if the field is blank. 4913 Starts not blank. The data is cleaned and stored in $good_data so it can be safely displayed in the form. the form. Figure 1-10 shows the Web page that results if the user didn't enter a first or a middle name. This tutorial will teach you about creating form that will submit information without refreshing the form page. Instead, an notification message will display on successful submission.

PHP and MySQL Everyday Apps For Dummies, It extracts the data from the $data property where it is stored. An @ is used to suppress the error messages so that the form can be displayed without any data. If the method finds invalid blank fields, it returns an array containing the field names of the The WebPage object is a Web page that displays information in PHP  SQL Query to Select All If Parameter is Empty or NULL. In this example, we used the IIF Function along with ISNULL. First, the ISNULL function checks whether the parameter value is NULL or not. If True, it will replace the value with Empty string or Blank. Next, IIF will check whether the parameter is Blank or not.

MySQL Tutorial - MySQL By Examples for Beginners, mysql> CREATE DATABASE southwind; Query OK, 1 row affected (0.03 sec) mysql> as database name, table name and column name) cannot contain blank and as identifier by enclosing it with a pair of back-quote, in the form of `​name` . We could create a table called suppliers to store suppliers' data (e.g., name,  I have a query on a single table that returns 16 columns of data. The data will then be written into a spreadsheet. Is there a method of formating the output from the select to essentially add 3 blank columns to the output. More precisely: output columns 1-6, blank column, columns 7-9, blank column, columns 10-13, blank column, columns 14-16.

PHP: MySQL Database, MySQL is the most popular database system used with PHP. The data in a MySQL database are stored in tables. A table A query is a question or a request. Build or create a simple contact form in PHP with MySQL. We have designed a contact form and on submitting the data will be stored in MySQL database.

Comments
  • Since the connection and the queries is inside else, how will you insert the data in the database in the if syntax?
  • One more thing, are all those codes supposed to be in a single page?
  • As @Swellar says, you've put all the code to update the database in the else clause of this if (isset($_POST['submit'])) { so if you submit any data it can't get into the database.
  • you are mixing two different database API: mysql and mysqli. mysql have been deprecated long ago and removed in php 7. Your code probably fails already in the variable definition
  • you are open to sql injections. You should use prepared statements (available both with mysql and PDO) to sanitize your inputs
  • Don't use either one. Use placeholders to bind user-supplied values to a query instead of inserting them directly in a string. bobby-tables.com/php
  • Also dont use $_POST directly. Use filter_input(INPUT_POST, 'post_data') instead.