Nece Update u Data Baza !

[ balkan7 @ 05.11.2006. 13:52 ] @

ne znam zasto nece update u data bazi, osim toga neprikazuje error kad u napravis submit, prikazuje samo blank stranica !
evo koda:

edit.php

Code:

<?php
//------------------------------------------
//database connection
mysql_connect("localhost", "xxx", "xxx") or die(mysql_error());
mysql_select_db("xxx") or die(mysql_error());
//end database connection
//------------------------------------------
$authlvl = "3";
include("authcheck.php");
include("cstring.php");
//------------------------------------------
//echo out a navigation panel
echo "<body bgcolor='#C0C0C0'>";
echo "<center><a href='index.php'>Pregled na Kategoerii</a> | <a href='index.php?action=dodaj'>Dodaj Software</a></center>";
switch($_GET['action'])
{
    case "popravi":

//if there is an ID given..
if($_GET['id'])
{
    //set $id to the URL id, cast to an INT
    //for security purposes
    $id = (int)$_GET['id'];

    //query the database
    $query = mysql_query("SELECT * FROM software WHERE id = '$id'") or die (mysql_error());

    //if no rows returned...
    if(mysql_num_rows($query) == 0)
    {
        echo "That ID is not in the database!";
    }
    //else, show it!
    else
    {

    //loop through the database
        while($row = mysql_fetch_array($query))
        {
            echo "<br>
            <form action='$PHP_SELF?action=popravi' method='post'>
            <div align='center'>
            <table border='0' cellpadding='0' cellspacing='0' width='500' style='border: 1px solid black; padding: 3px;'>
                <tr>
                    <td colspan='2'>Software:    <b>$row[naslov]</b></td>
                </tr>
                <tr>
              <td>Sifra:</td>
              <td><input type='text' name='sifra' value='$row[sifra]' disabled></td>
           <tr>
                <tr>
              <td>Naslov:</td>
              <td><input type='text' name='naslov' value='$row[naslov]'></td>
           <tr>
              <td>Opis:</td>
              <td><textarea name='opis' cols='40' rows='5'>$row[opis]</textarea></td>
           </tr>
           <tr>
           <td>Kategorija:</td>
           <td>
              <select name='kategorija'>
              <option>- Izberi -</option>
                  ";
           //the categorys table and getting all the
           $query = mysql_query("SELECT * FROM software_kategorija ORDER BY id ASC") or die(mysql_error());
           while($row = mysql_fetch_array($query))
           {
               echo "<option value='$row[id]'>$row[kategorija]";
           }
                    echo "
               </select>
           </td>
   </tr>
   <tr>
           <td>CD & DVD:</td>
           <td>
              <select name='cd'>
              <option>- Izberi -</option>
                  ";
           //so the user can select which category
           $query = mysql_query("SELECT * FROM software_cd ORDER BY id ASC") or die(mysql_error());
           while($row = mysql_fetch_array($query))
           {
               echo "<option value='$row[id]'>$row[cd]";
           }
                    echo "
               </select>
           </td>
       </tr>
   <tr>
       <td>Novo?</td>
       <td><input type='checkbox' name='novo' value='1' checked></td>
   </tr>
   <tr>
       <td colspan='2'><center><input type='submit' name='izmeni' value='Submit New Software'></center></td>
   </tr>
</form>
</table>
          </tr>
                <tr>
                    <td colspan='2' style='border: 1px solid black;'><center><b>Software</b></center><br /></td>
                </tr>
                <tr>
                ";
               }
              }

//if set izmeni ..
if(isset($_POST['izmeni']))
    {
        $naslov = mysql_real_escape_string(strip_tags($_POST['naslov']));
    $opis = mysql_real_escape_string(strip_tags($_POST['opis']));
    $kategorija = mysql_real_escape_string(strip_tags($_POST['kategorija']));
    $cd = mysql_real_escape_string(strip_tags($_POST['cd']));
    $novo = mysql_real_escape_string($_POST['novo']);
    $datum = date("m/d/Y");

       //we begin error checking....
       $error_msg = array();
       if(empty($naslov))
       {
           $error_msg[] = "Please insert a naslov!<br />";
       }
       if(empty($opis))
       {
           $error_msg[] = "Please insert a opis!<br />";
       }
       if(empty($kategorija))
       {
           $error_msg[] = "Please select a kategorija!<br />";
       }
       if(empty($cd))
       {
           $error_msg[] = "Please select CD!<br />";
       }
       //print the errors, if any
       if(count($error_msg)>0)
       {
           echo "<strong>ERROR:</strong><br>\n";
           foreach($error_msg as $err)
              echo "$err";
       }
       //everythings ok, insert it to the DB
       else
       {
        //update the product!
        $popravi2 = "UPDATE software SET naslov = '$naslov', opis = '$opis', kat_id = '$kategorija', cd_id = '$cd', novo = '$novo' WHERE id = '$id'";
        mysql_query($popravi2) or die(mysql_error("Nemoze da napravi Update."));
    echo "<p><b>Update-ot e uspesno napraven!</b></p>";
}
                echo "
                </tr>
                </body>
                ";
              }
        }
      }
        ?>