<?php
$result = mysql_query("select * from indexinfo  where id = 1");
$row = mysql_fetch_assoc($result);
if ( isset( $_POST['send'] ) ) {
  // The author's details have been updated.
 
 
  $title = $_POST['Title'];
  $subtitle = $_POST['Subtitle'];
  $content = $_POST['Content'];
  $author = $_POST['Author'];
  $date = $_POST['Date'];
  $id = $_POST['id'];
 
  $sql = "UPDATE `indexinfo` SET
          `Title` = '$title',
          `Subtitle` = '$subtitle',
	    `Content` = '$content',
	    `Author` = '$author',
          `Date` = '$date'
          WHERE `id` = '$id'";
  if (mysql_query($sql)) {
    echo '<p>Author details updated.</p>';
  } else {
    echo '<p>Error updating author details: ' .
        mysql_error() . '</p>';
  }
 
?>
 
 
<form action="#" method="post">
<p>Edit the author:</p>
<label>Title: <input type="text" name="Title" value="<?php echo $title; ?>" /></label><br />
<label>Subtitle: <input type="text" name="Subtitle" value="<?php echo $subtitle; ?>" /></label><br />
<label>Content: <TEXTAREA name="Content" ROWS=10 COLS=100><?php echo $content; ?></TEXTAREA><br />
<label>Author: <input type="text" name="Author" value="<?php echo $author; ?>" /></label><br />
<label>Date: <input type="text" name="Date" value="<?php echo $date; ?>" /></label><br />
<input type="hidden" name="id" value="<?php echo $id; ?>" />
<input type="submit" value="Submit" name="send" /></p>
 
 
 
</form>
<?php
} else {
?>
<form action="#" method="post">
<p>Edit the author:</p>
<label>Title: <input type="text" name="Title" /></label><br />
<label>Subtitle: <input type="text" name="Subtitle" /></label><br />
<label>Content: <TEXTAREA name="Content" ROWS=10 COLS=100></TEXTAREA><br />
<label>Author: <input type="text" name="Author" /></label><br />
<label>Date: <input type="text" name="Date" /></label><br />
<input type="hidden" name="id" />
<input type="submit" value="Submit" name="send" /></p>
</form>
<?php } ?>

$query = mysql_query("QUERY") or die( "UPDATE ERROR:" . mysql_error() );
// QUERY being the update query you have been using.