diff --git a/src/main/java/org/gcube/portlets/user/td/csvexportwidget/client/grid/ColumnDataGridPanel.java b/src/main/java/org/gcube/portlets/user/td/csvexportwidget/client/grid/ColumnDataGridPanel.java
index 03c26c2..55cde87 100644
--- a/src/main/java/org/gcube/portlets/user/td/csvexportwidget/client/grid/ColumnDataGridPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/csvexportwidget/client/grid/ColumnDataGridPanel.java
@@ -17,6 +17,7 @@ import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.sencha.gxt.core.client.IdentityValueProvider;
 import com.sencha.gxt.core.client.Style.SelectionMode;
 import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
+import com.sencha.gxt.core.client.util.Margins;
 import com.sencha.gxt.data.client.loader.RpcProxy;
 import com.sencha.gxt.data.shared.ListStore;
 import com.sencha.gxt.data.shared.loader.ListLoadConfig;
@@ -94,7 +95,8 @@ public class ColumnDataGridPanel extends ContentPanel implements
 		sm.setSelectionMode(SelectionMode.MULTI);	
 		grid.setLoader(loader);
 		grid.setSelectionModel(sm);
-		grid.getView().setAutoExpandColumn(labelCol);
+		grid.setHeight(300);
+		//grid.getView().setAutoExpandColumn(labelCol);
 		grid.getView().setStripeRows(true);
 		grid.getView().setColumnLines(true);
 		grid.getView().setAutoFill(true);
@@ -106,7 +108,7 @@ public class ColumnDataGridPanel extends ContentPanel implements
 		
 		VerticalLayoutContainer con = new VerticalLayoutContainer();
 		con.setScrollMode(ScrollMode.AUTO);
-		con.add(grid, new VerticalLayoutData(-1, -1));
+		con.add(grid, new VerticalLayoutData(-1, -1, new Margins(0)));
 		setWidget(con);
 
 	}