diff --git a/browser/skin/lobo/lobo.css b/browser/skin/lobo/lobo.css
index 58f7281..01f2fff 100644
--- a/browser/skin/lobo/lobo.css
+++ b/browser/skin/lobo/lobo.css
@@ -159,6 +159,10 @@ table.listing th span.descending {
     background-repeat: no-repeat;
 }
 
+table.records {
+    border-collapse: collapse;
+}
+
 table.records input, table.records textarea {
     border: none;
     padding: 0;
@@ -167,13 +171,13 @@ table.records input, table.records textarea {
 }
 
 table.records th {
-    background-color: lightgrey;
+    background-color: #fefefe;
 }
 
 table.records th, table.records td {
     padding: 0;
     margin: 0;
-    border: 1px solid black;
+    border: 1px solid lightgrey;
 }
 
 table.report td {
diff --git a/configure.zcml b/configure.zcml
index a1522a5..908bb47 100644
--- a/configure.zcml
+++ b/configure.zcml
@@ -1,5 +1,3 @@
-<!-- $Id$ -->
-
 <configure
    xmlns="http://namespaces.zope.org/zope"
    xmlns:i18n="http://namespaces.zope.org/i18n"
@@ -355,6 +353,8 @@
            name="grid" />
   <adapter factory="cybertools.composer.schema.grid.field.RecordsFieldInstance"
            name="records" />
+  <adapter factory="cybertools.composer.schema.grid.field.ContextBasedKeyTableFieldInstance"
+           name="keytable" />
   <adapter factory="loops.schema.field.RelationSetFieldInstance"
            name="relationset" />
   <adapter factory="loops.schema.field.RelationFieldInstance"
@@ -366,14 +366,10 @@
            for="loops.interfaces.IResource" />
   <adapter factory="loops.schema.factory.FileSchemaFactory" />
   <adapter factory="loops.schema.factory.NoteSchemaFactory" />
+  <adapter factory="loops.table.DataTableSchemaFactory" />
 
   <adapter factory="loops.setup.SetupManager" />
 
-  <!-- obsolete:
-  <adapter factory="loops.external.NodesLoader" />
-  <adapter factory="loops.external.NodesExporter" />
-  <adapter factory="loops.external.NodesImporter" />-->
-
   <!-- obsolete - remove: -->
   <adapter factory="loops.target.DocumentProxy"
            permission="zope.ManageContent" />
@@ -432,10 +428,12 @@
   <!-- utilities -->
 
   <utility
+      provides="cybertools.storage.interfaces.IExternalStorage"
       factory="cybertools.storage.filesystem.instanceVarSubdirectoryStorage"
       name="varsubdir" />
 
   <utility
+      provides="cybertools.storage.interfaces.IExternalStorage"
       factory="cybertools.storage.filesystem.fullPathStorage"
       name="fullpath" />
 
diff --git a/table.py b/table.py
index 25ccba2..eb9dc11 100644
--- a/table.py
+++ b/table.py
@@ -18,16 +18,16 @@
 
 """
 Data (keyword-based) table definition and implementation.
-
-$Id$
 """
 
 from BTrees.OOBTree import OOBTree
-from zope import schema, component
-from zope.interface import Interface, Attribute, implements
+from zope import component, schema
+from zope.component import adapts
+from zope.interface import implements, Interface, Attribute
 from zope.cachedescriptors.property import Lazy
 
-from cybertools.composer.schema.grid.interfaces import Records
+from cybertools.composer.schema.factory import SchemaFactory
+from cybertools.composer.schema.grid.interfaces import KeyTable
 from loops.common import AdapterBase
 from loops.interfaces import IConcept, IConceptSchema, ILoopsAdapter
 from loops.type import TypeInterfaceSourceList
@@ -47,8 +47,6 @@ class IDataTable(IConceptSchema, ILoopsAdapter):
         default=u'',
         required=False)
 
-    # better: specify column names (and possibly labels, types)
-    # in Python code and reference by name here
     columns = schema.List(
         title=_(u'Columns'),
         description=_(u'The names of the columns of the data table. '
@@ -57,10 +55,12 @@ class IDataTable(IConceptSchema, ILoopsAdapter):
         default=['key', 'value'],
         required=True)
 
-    data = Records(title=_(u'Table Data'),
+    data = KeyTable(title=_(u'Table Data'),
         description=_(u'Table Data'),
         required=False)
 
+IDataTable['columns'].hidden = True
+
 
 class DataTable(AdapterBase):
 
@@ -75,6 +75,8 @@ class DataTable(AdapterBase):
         self.context._columns = value
     columns = property(getColumns, setColumns)
 
+    columnNames = columns
+
     def getData(self):
         data = getattr(self.context, '_data', None)
         if data is None:
@@ -87,3 +89,15 @@ class DataTable(AdapterBase):
 
 
 TypeInterfaceSourceList.typeInterfaces += (IDataTable,)
+
+
+class DataTableSchemaFactory(SchemaFactory):
+
+    adapts(IDataTable)
+
+    def __call__(self, interface, **kw):
+        schema = super(DataTableSchemaFactory, self).__call__(interface, **kw)
+        schema.fields.remove('columns')
+        schema.fields.remove('viewName')
+        return schema
+