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04.05.2008 at 10:35PM PDT, ID: 23299150
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5.2

How to validate form field

Asked by sunshine1900 in PHP Scripting Language, PHP for Windows, PHP and Databases

Tags:

Hi guys,

Easy one for someone - How do I validate my $clientname field and tell the user they have to fill in that field in my script?

Thanks in advanceStart Free Trial 
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<?php
// Connect to DB
require('../admin/config.php');
 
// Start the session after logging in
session_start();
 
// Get the header info
  include'../functions/functions.php';
	echo getHeader('');
 
if (isset($_POST[ClientName])) {
 
    $link = @mysqli_connect('localhost', 'root', '', 'clients');
 
    if (mysqli_connect_errno()) {
 
        echo '<p class="error">Cannot connect to database server: ' . mysqli_connect_error() . '</p>';
 
    } else {
 
        $clientname       = mysqli_real_escape_string($link, $_POST['ClientName']);
        $clientcontact = mysqli_real_escape_string($link, $_POST['ClientContact']);
		$designrate = mysqli_real_escape_string($link, $_POST['DesignRate']);
		$devrate = mysqli_real_escape_string($link, $_POST['DevRate']);
        $clientsite    = mysqli_real_escape_string($link, $_POST['ClientSite']);
        $clientphone     = mysqli_real_escape_string($link, $_POST['ClientPhone']);
		$clientmobile     = mysqli_real_escape_string($link, $_POST['ClientMobile']);
		$clienthostingdate     = mysqli_real_escape_string($link, $_POST['ClientHostingDate']);
		$clienthostingcost     = mysqli_real_escape_string($link, $_POST['ClientHostingCost']);
		$clienttime     = mysqli_real_escape_string($link, $_POST['ClientTime']);
		$clientnote     = mysqli_real_escape_string($link, $_POST['ClientNote']);
 
 
        $query = "INSERT INTO clients (ClientName, ClientContact, ClientSite, ClientPhone, ClientMobile, DesignRate, DevRate, ClientNote) 
		VALUES ('$clientname', '$clientcontact', '$clientsite', 'clientphone', 'clientmobile', '$designrate', '$devrate', 'ClientNote')";
 
        $result = @mysqli_query($link, $query);
 
        if (!$result) {
 
            echo '<p class="error">Unable to query the database: ' . mysqli_error($link) . '</p>';
 
        } else {
 
            echo '<p class="success"><strong>' . stripslashes($clientname) . '</strong> has been added to the database.</p>';
			echo '<p>' . ($clientname) . '</p>';
			echo '<p>' . ($clientcontact) . '</p>';
 
            echo '<ul class="buttons">';
            echo '<li><a href="../admin/index.php">View Clients</a></li>';
            echo '<li><a href="' . $_SERVER['PHP_SELF'] . '">Add Record</a></li>';
            echo '</ul>';
 
        }
 
    }
 
} else {
 
?>
 
<h1>Create a New Client</h1>
 
        <form id="client_form" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
             
                <label for="ClientName">Client Name</label><br />
                <input id="ClientName" type="text" name="ClientName" /><br />
                <label for="ClientContact">Client Contact</label><br />
                <input id="ClientContact" type="text" name="ClientContact" /><br />
				<label for="DesignRate">Design Rate</label><br />
                <input id="DesignRate" type="text" name="DesignRate" /><br />
				<label for="DevRate">Development Rate</label><br />
                <input id="DevRate" type="text" name="DevRate" value="95" /><br />
                <label for="ClientPhone">Client Phone</label><br />
                <input id="ClientPhone" type="text" name="ClientPhone" /><br />
				<label for="ClientMobile">Client Mobile</label><br />
                <input id="ClientMobile" type="text" name="ClientMobile" /><br />
                <label for="ClientSite">Client Website</label><br />
                <input id="ClientSite" name="ClientSite" value="http://" /><br />
				<label for="ClientHostingDate">Client Hosting Date</label><br />
                <input id="ClientHostingCost" name="ClientHostingCost" /><br />
				<label for="ClientTime">Client Time</label> (Hrs)<br />
                <input id="ClientTime" name="ClientTime" /><br />
				<label for="ClientNote">Client Note</label><br />
				<textarea name="ClientNote" cols="40" rows="10"></textarea><br /><br />
				<input type="submit" value="Submit" name="submit" />      
        </form>
		
 
<?php
 
}
 
?>
[+][-]04.05.2008 at 11:49PM PDT, ID: 21290995

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About this solution

Zones: PHP Scripting Language, PHP for Windows, PHP and Databases
Tags: PHP
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Solution Provided By: Collin1000
Participating Experts: 2
Solution Grade: C
 
 
[+][-]04.06.2008 at 01:40AM PDT, ID: 21291150

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

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[+][-]04.06.2008 at 01:54PM PDT, ID: 21293112

Often, when Experts are collaborating with members who have asked questions, they will request additional information about the problem. Askers respond with an author comment like this one.

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