diff --git a/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/ColumnMappingPanel.java b/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/ColumnMappingPanel.java
index d86f774..fa0da92 100644
--- a/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/ColumnMappingPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/ColumnMappingPanel.java
@@ -104,7 +104,8 @@ public class ColumnMappingPanel extends ContentPanel {
 		columnLabel.setWidth(COLUMNLABELWIDTH);
 		columnLabel.setLabelSeparator("");*/
 		
-		FieldLabel sourceColumnLabel = new FieldLabel(null, "Column");
+		String currentTRLabel=parent.unionSession.getCurrentTabularResource().getName();
+		FieldLabel sourceColumnLabel = new FieldLabel(null, currentTRLabel);
 		sourceColumnLabel.getElement().applyStyles("font-weight:bold");
 		sourceColumnLabel.setWidth(COMBOWIDTH);
 		sourceColumnLabel.setLabelSeparator("");
diff --git a/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/UnionWizardTD.java b/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/UnionWizardTD.java
index 42a350e..1f10161 100644
--- a/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/UnionWizardTD.java
+++ b/src/main/java/org/gcube/portlets/user/td/unionwizardwidget/client/UnionWizardTD.java
@@ -1,46 +1,81 @@
 package org.gcube.portlets.user.td.unionwizardwidget.client;
 
+import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
+import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.TabResource;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.union.UnionSession;
+import org.gcube.portlets.user.td.unionwizardwidget.client.utils.UtilsGXT3;
+import org.gcube.portlets.user.td.widgetcommonevent.client.event.SessionExpiredEvent;
+import org.gcube.portlets.user.td.widgetcommonevent.client.type.SessionExpiredType;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
 import org.gcube.portlets.user.td.wizardwidget.client.WizardWindow;
 
 import com.allen_sauer.gwt.log.client.Log;
+import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.web.bindery.event.shared.EventBus;
 
 /**
  * 
- * @author "Giancarlo Panichi"
- * email: <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
- *
+ * @author "Giancarlo Panichi" email: <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ * 
  */
-public class UnionWizardTD  extends WizardWindow  {
-	protected static final int WITHWIZARD=720;
-	protected static final int HEIGHTWIZARD=520;
-	
+public class UnionWizardTD extends WizardWindow {
+	protected static final int WITHWIZARD = 720;
+	protected static final int HEIGHTWIZARD = 520;
+
 	protected UnionSession unionSession;
-	
+	protected TRId trId;
+
 	/**
 	 * 
 	 * @param trId
 	 * @param title
 	 * @param eventBus
 	 */
-	public UnionWizardTD(TRId trId, String title, EventBus eventBus)	{
-		super(title,eventBus);
-		Log.debug("UnionWizardTD: "+trId);
+	public UnionWizardTD(TRId trId, String title, EventBus eventBus) {
+		super(title, eventBus);
+		Log.debug("UnionWizardTD: " + trId);
 		setWidth(WITHWIZARD);
 		setHeight(HEIGHTWIZARD);
-		
-		unionSession= new UnionSession();
+
+		this.trId = trId;
+		unionSession = new UnionSession();
 		unionSession.setTrId(trId);
 		
-		TabResourcesSelectionCard tabResourcesSelection= new TabResourcesSelectionCard(unionSession);
+		retriveTabularResourceMinInfo();
+
+	}
+
+	protected void retriveTabularResourceMinInfo(){
+		TDGWTServiceAsync.INSTANCE
+		.getTabResourceInformation(trId, new AsyncCallback<TabResource>() {
+
+			public void onSuccess(TabResource result) {
+				Log.info("Retrived TR: " + result.getTrId());
+				unionSession.setCurrentTabularResource(result);
+			}
+
+			public void onFailure(Throwable caught) {
+				if (caught instanceof TDGWTSessionExpiredException) {
+					eventBus.fireEvent(new SessionExpiredEvent(
+							SessionExpiredType.EXPIREDONSERVER));
+				} else {
+					UtilsGXT3.alert("Error", 
+							"Error retrienving information on current tabular resource: ");
+				}
+			}
+
+		});
+	}
+	
+	protected void callCard(){
+		TabResourcesSelectionCard tabResourcesSelection = new TabResourcesSelectionCard(
+				unionSession);
 		addCard(tabResourcesSelection);
 		tabResourcesSelection.setup();
-		
 	}
 	
 	
-	
-	
+
 }
\ No newline at end of file