IDEMPIERE-639 Sequence field not display in Grid Model.

org.adempiere.base/src/org/adempiere/util/GridRowCtx.java

@@ -67,6 +67,10 @@ implements Evaluatee
 			return null;
 		}
 		String columnName = keyStr.substring(windowStr.length()).trim();
+		//strip tab no too
+		if (columnName.indexOf("|") > 0) {
+			columnName = columnName.substring(columnName.indexOf("|")+1);
+		}
 		return columnName;
 	}
 

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/GridView.java

@@ -475,6 +475,8 @@ public class GridView extends Vbox implements EventListener<Event>, IdSpace
 		renderer = new GridTabRowRenderer(gridTab, windowNo);
 		renderer.setGridPanel(this);
 		renderer.setADWindowPanel(windowPanel);
+		if (pageSize > 0 && paging != null)
+			renderer.setPaging(paging);
 
 		listbox.setRowRenderer(renderer);
 		listbox.setModel(listModel);