Je n'arrive pas faire insérer les données dans ma base de donnée
voici le code du formulaire
<div id="cont-form">
<form action="AJOUT_CONSULTATION.PHP" method="post"> <center><b><em><h2>fiche de consultation</h2></em></b></center>
<table>
<tr><td><b>Salle de consultation</b></td><td>
<input type="text" name="sal" size="3" maxlength="3"><br></td></tr>
<tr><td><b>Date de la consultation:</b></td><td>
<input type="DATE" name="date" ></td></tr>
<tr><td><b>Nom </b></td><td>
<input type="text" name="nom" size="50" maxlength="50"><br></td></tr>
<tr><td><b>PRENOM</b></td><td>
<input type="text" name="prenom" size="50"maxlength="50"></td></tr>
<tr><td><b>Service </b></td><td>
<input type="text" name="serv" size="50" maxlength="50"><br></td></tr>
<tr><td><b>Nom du docteur</b></td><td>
<input type="text" name="ag" size="50"maxlength="50"></td></tr>
<tr><td><b>Prenom du docteur</b></td><td>
<input type="text" name="preag" size="50"maxlength="50"></td></tr>
<tr><td><b>Diagnostics</b></td><td>
<textarea cols="100" rows="8" name="diago">Diagnostic:</textarea></td></tr>
<tr><td><b>Traitement</b></td><td>
<textarea cols="100" rows="8" name="traite">traitement:</textarea></td></tr>
<tr><td><b>Date du prochain rendez-vous:</b></td><td>
<input type="DATE" name="pdate" ></td></tr>
<BR>
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td><center><input type="submit" name="valider" value="Enregistrer la fiche de consultation"></td><td><input type="RESET" name="RESET" value="Annuler"></td></center></td></tr>
</table>
</form>
</div>
<?php
if(ISSET($_POST['valider']))
{
$ag=htmlentities(trim($_POST['ag']));
$nom=htmlentities(trim($_POST['nom']));
$prenom=htmlentities(trim($_POST['prenom']));
$serv=htmlentities(trim($_POST['serv']));
$sal=htmlentities(trim($_POST['sal']));
$PREag=htmlentities(trim($_POST['preag']));
$diag=htmlentities(trim($_POST['diago']));
$diag=nl2br($diag);
$trait=htmlentities(trim($_POST['traite']));
$trait=nl2br($trait);
$date=htmlentities(trim($_POST['date']));
$pdate=htmlentities(trim($_POST['pdate']));
if($nom&&$prenom)
{
$CONNECT=mysql_connect ('localhost','root','')or die('erreur');
mysql_select_db('hopital') ;
$DOSSIERID=mysql_query("select DOSSIERID from PATIENT WHERE NOM='$nom' AND PRENOM='$prenom'");
$service=mysql_query("select SERVICEID from SERVICE WHERE LIBSERV ='$serv'");
$agentID=mysql_query("select NUMAG from agent_de_sante WHERE NOM='$ag' AND PRENOM='$PREag'");
$query=mysql_query ("INSERT INTO CONSULTATION VALUES ('','".$date."','".$pdate."','".$diag."','".$agentID."','".$DOSSIERID."','".$sal."','".$service."','".$trait."')");
} else echo"<center>Veuillez saisir tous les champs</center>";
} ELSE ECHO mysql_error();
?>