je ne comprend pas pourquoi j'ai une erreur qui s'affiche alors que sur mon autre fichier je n'ai pas d'erreur...
voici le message d'erreur :

Notice: Undefined index: test in c:\program files\easyphp1-8\www\telegestion\affichage_detail_intervention.php on line 17

et voici le code :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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<html>
 
<head>
 
<title>Detail_Intervention</title>
<link href="css/style2.css" rel="stylesheet" type="text/css">
 
</head>
 
<body>
 
  <?php
    $connect=mysql_connect("xxx", "xxx", "xxx") or die ("Echec de la connexion au serveur !");
    $select=mysql_select_db("telegestion_client");
 
 
if (isset($_GET["NUMSOC"])) $NUMSOC=$_GET["NUMSOC"];
 
$sql = ' SELECT DISTINCT telegestion_client.`NUMSOC` '
. ' FROM telegestion_client'
. ' JOIN complementaire'
. ' ON telegestion_client.`NUMSOC` = complementaire.`NUMSOC` ';
 
  switch($_GET["test"])
    {
      case 1 : $query="select * from complementaire order by nom asc"; break;
      case 2 : $query="select * from complementaire order by nom desc"; break;
      case 3 : $query="select * from complementaire order by date asc"; break;
      case 4 : $query="select * from complementaire order by date desc"; break;
      case 5 : $query="select * from complementaire order by materiel asc"; break;
      case 6 : $query="select * from complementaire order by materiel desc"; break;
      case 7 : $query="select * from complementaire order by probleme asc"; break;
      case 8 : $query="select * from complementaire order by probleme desc"; break;
      case 9 : $query="select * from complementaire order by travaux asc"; break;
      case 10 : $query="select * from complementaire order by  travaux desc"; break;
      case 11 : $query="select * from complementaire order by technicien asc"; break;
      case 12 : $query="select * from complementaire order by technicien desc"; break;
      case 13 : $query="select * from complementaire order by nb_heures_intervention asc"; break;
      case 14 : $query="select * from complementaire order by nb_heures_intervention asc"; break;
 
 
    default : $query="select * from complementaire";
    }
 
    $result=mysql_query($query);
    $totenrege=mysql_num_rows($result);
 
   echo "<form action='affichage_detail_intervention.php' method='get' name='affichage_detail_intervention' enctype='multipart/form-data'>";
echo "<form action='affichage_detail_intervention.php' method='get' name='affichage_detail_intervention' enctype='multipart/form-data'>"; 
 
echo "<table width=100% border=1 align=center>";
    echo "<tr bgcolor='#000000'>";
 
 if ($totenrege==0)
      echo "<td colspan=9><h2>IL N'Y A PAS D'INFO DE CLIENTS</td>";
    else
    {echo "<td colspan=9><h2>IL Y A ".$totenrege." CLIENT(S)</td>";
      echo "</tr>";
      echo "<tr align=center bgcolor=#87CEEB>";
      echo "<td><b><h4 class='h41'>nom&nbsp;&nbsp;&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=1'><img border=0 src='http://127.0.0.1/Telegestion/images/haut.gif'><a>&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=2'><img border=0 src='http://127.0.0.1/Telegestion/images/bas.gif'><a></b></td>";
 
echo "<td><b><h4 class='h41'>date&nbsp;&nbsp;&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=3'><img border=0 src='http://127.0.0.1/Telegestion/images/haut.gif'><a>&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=4'><img border=0 src='http://127.0.0.1/Telegestion/images/bas.gif'><a></b></td>";  
      echo "<td><b><h4 class='h41'>materiel&nbsp;&nbsp;&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=5'><img border=0 src='http://127.0.0.1/Telegestion/images/haut.gif'><a>&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=6'><img border=0 src='http://127.0.0.1/Telegestion/images/bas.gif'><a></b></td>";
      echo "<td><b><h4 class='h41'>probleme&nbsp;&nbsp;&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=7'><img border=0 src='http://127.0.0.1/Telegestion/images/haut.gif'><a>&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=8'><img border=0 src='http://127.0.0.1/Telegestion/images/bas.gif'><a></b></td>";
      echo "<td><b><h4 class='h41'>travaux&nbsp;&nbsp;&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=9'><img border=0 src='http://127.0.0.1/Telegestion/images/haut.gif'><a>&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=10'><img border=0 src='http://127.0.0.1/Telegestion/images/bas.gif'><a></b></td>";
      echo "<td><b><h4 class='h41'>technicien&nbsp;&nbsp;&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=11'><img border=0 src='http://127.0.0.1/Telegestion/images/haut.gif'><a>&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=12'><img border=0 src='http://127.0.0.1/Telegestion/images/bas.gif'><a></b></td>";
      echo "<td><b><h4 class='h41'>nb_heures_intervention&nbsp;&nbsp;&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=13'><img border=0 src='http://127.0.0.1/Telegestion/images/haut.gif'><a>&nbsp;&nbsp;<a href='affichage_detail_intervention.php?test=14'><img border=0 src='http://127.0.0.1/Telegestion/images/bas.gif'><a></b></td>";
 
      echo "</tr>";
    }
    echo "</form>";
 
    $i=0;
    while ($row=mysql_fetch_array($result))
    {
      if ($i==0)
      {
        echo "<tr bgcolor=#D3D3D3>";
        $i++;
      }
      else
      {
        echo "<tr bgcolor=#FFFFFF>";
        $i--;
      }
      echo "<td><h5>".$row["nom"]."</td>";
      echo "<td><h5>".$row["date"]."</td>";
      echo "<td><h5>".$row["materiel"]."</td>";
      echo "<td><h5>".$row["probleme"]."</td>";
      echo "<td><h5>".$row["travaux"]."</td>";
      echo "<td><h5>".$row["technicien"]."</td>";
      echo "<td><h5>".$row["nb_heures_intervention"]."</td>";
 
      echo "<tr>";
    }
    echo "</table>";
 echo "<br><br>";
      echo "<table width=50% align=center>";
      echo "<tr>";
 
 
      echo "</tr>";
echo "</table>";
  ?>
 
</body>
 
</html>