Actualiser un dataTable après suppression

Bonjour,

Je souhaite actualiser le contenu de mon data table après suppression.
Voila mon code :
Code:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml"
	xmlns:ui="http://java.sun.com/jsf/facelets"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:prime="http://primefaces.org/ui">
 
<ui:composition template="/WEB-INF/template/template.xhtml">
	<ui:define name="content">
		<h:form id="form">
			<prime:panel header="Technicien" toggleable="true"
				toggleOrientation="horizontal">
				<prime:commandButton value="Nouveau technicien" ajax="false"
					action="TEC-E001.jsf" icon="ui-icon-disk" />
				<prime:growl id="messages" life="1000" />
				<prime:dataTable id="rowEditingTable" var="technicien"
					widgetVar="technicienTable" value="#{technicienBean.techniciens}"
					paginator="true" rows="5"
					filteredValue="#{technicienBean.filteredTechniciens}"
					paginatorPosition="top" editable="true" reRender="true">
					<f:facet name="header">
						<prime:outputPanel>
							<h:outputText value="Liste des techniciens" />
						</prime:outputPanel>
					</f:facet>
					<prime:column filterBy="#{technicien.nom}">
						<f:facet name="header">
							<h:outputText value="Nom" />
						</f:facet>
						<prime:cellEditor>
							<f:facet name="output">
								<h:outputText value="#{technicien.nom}" />
							</f:facet>
							<f:facet name="input">
								<prime:inputText id="nomInput" value="#{technicien.nom}"
									style="width:96%" />
							</f:facet>
						</prime:cellEditor>
					</prime:column>
					<prime:column filterBy="#{technicien.prenom}">
						<f:facet name="header">
							<h:outputText value="Prenom" />
						</f:facet>
						<prime:cellEditor>
							<f:facet name="output">
								<h:outputText value="#{technicien.prenom}" />
							</f:facet>
							<f:facet name="input">
								<prime:inputText id="prenomInput" value="#{technicien.prenom}"
									style="width:96%" />
							</f:facet>
						</prime:cellEditor>
					</prime:column>
					<prime:column filterBy="#{technicien.telephone}">
						<f:facet name="header">
							<h:outputText value="telephone" />
						</f:facet>
						<prime:cellEditor>
							<f:facet name="output">
								<h:outputText value="#{technicien.telephone}" />
							</f:facet>
							<f:facet name="input">
								<prime:inputText id="telephoneInput"
									value="#{technicien.telephone}" style="width:96%" />
							</f:facet>
						</prime:cellEditor>
					</prime:column>
					<prime:column style="width:6%" exportable="false">
						<f:facet name="header">
							<h:outputText value="Modifier" />
						</f:facet>
						<prime:rowEditor />
					</prime:column>
					<prime:column headerText="Supprimer">
						<prime:commandButton icon="ui-icon-delete"
							action="#{technicienBean.onDeleteAction}">
							<f:setPropertyActionListener
								target="#{technicienBean.technicien}" value="#{technicien}" />
							<prime:ajax upate="@rowEditingTable" />
						</prime:commandButton>
					</prime:column>
					<prime:ajax event="rowEdit" listener="#{technicienBean.onEdit}" />
					<prime:ajax event="rowEditCancel"
						listener="#{technicienBean.onCancel}"
						upate=":form:rowEditingTable" />
				</prime:dataTable>
			</prime:panel>
		</h:form>
	</ui:define>
</ui:composition>
</html>
Merci d'avance