diff --git a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_base.bin b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_base.bin
index 5908786d..471932a9 100644
Binary files a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_base.bin and b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_base.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_filter.bin b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_filter.bin
index d9abb470..e92aaae5 100644
Binary files a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_filter.bin and b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_filter.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_plaintext.bin b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_plaintext.bin
index c1310a5e..a721cfa0 100644
Binary files a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_plaintext.bin and b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_plaintext.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_sorter.bin b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_sorter.bin
index 4b2acf29..eafb8cf4 100644
Binary files a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_sorter.bin and b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_sorter.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_visualizer.bin b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_visualizer.bin
index 0ec578e0..e6d5f9f9 100644
Binary files a/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_visualizer.bin and b/SampleForDoc/GacUI/UIRes/32bits/control_datagrid_visualizer.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_base.bin b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_base.bin
index 84849d0d..b59f32a2 100644
Binary files a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_base.bin and b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_base.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_filter.bin b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_filter.bin
index 133ca59b..6feaf9c9 100644
Binary files a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_filter.bin and b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_filter.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_plaintext.bin b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_plaintext.bin
index da8d7166..83fbe7c7 100644
Binary files a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_plaintext.bin and b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_plaintext.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_sorter.bin b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_sorter.bin
index 24fad295..b37387d3 100644
Binary files a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_sorter.bin and b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_sorter.bin differ
diff --git a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_visualizer.bin b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_visualizer.bin
index 7cbb38ea..96bf1bc1 100644
Binary files a/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_visualizer.bin and b/SampleForDoc/GacUI/UIRes/64bits/control_datagrid_visualizer.bin differ
diff --git a/SampleForDoc/GacUI/XmlRes/control_datagrid_base/Resource.xml b/SampleForDoc/GacUI/XmlRes/control_datagrid_base/Resource.xml
index c7f00838..082e1c55 100644
--- a/SampleForDoc/GacUI/XmlRes/control_datagrid_base/Resource.xml
+++ b/SampleForDoc/GacUI/XmlRes/control_datagrid_base/Resource.xml
@@ -58,6 +58,7 @@
           prop TitleColumn : DataColumn^ = null {const, not observe}
           prop AuthorColumn : DataColumn^ = null {const, not observe}
           prop DatePublishedColumn : DataColumn^ = null {const, not observe}
+          prop SummaryColumn : DataColumn^ = null {const, not observe}
 
           func FormatDate(date: DateTime): string
           {
@@ -88,6 +89,7 @@
             SetTitleColumn(columnTitle);
             SetAuthorColumn(columnAuthor);
             SetDatePublishedColumn(columnDatePublished);
+            SetSummaryColumn(columnSummary);
           }
         ]]></ref.Ctor>
         <Window ref.Name="self" ClientSize="x:800 y:600">
@@ -114,10 +116,10 @@
                 <att.LargeImageProperty>SmallImage</att.LargeImageProperty>
                 <att.SmallImageProperty>LargeImage</att.SmallImageProperty>
                 <att.Columns>
-                  <DataColumn ref.Name="columnTitle" Text="Title" TextProperty="Title"/>
-                  <DataColumn ref.Name="columnAuthor" Text="Author" TextProperty="Author"/>
-                  <DataColumn ref.Name="columnDatePublished" Text="Date Published" TextProperty="self.FormatDate(item.DatePublished)"/>
-                  <DataColumn ref.Name="columnSummary" Text="Summary" TextProperty="Summary"/>
+                  <DataColumn ref.Name="columnTitle" Text="Title" TextProperty="Title" ValueProperty="Title"/>
+                  <DataColumn ref.Name="columnAuthor" Text="Author" TextProperty="Author" ValueProperty="Author"/>
+                  <DataColumn ref.Name="columnDatePublished" Text="Date Published" TextProperty="self.FormatDate(item.DatePublished)" ValueProperty="DatePublished"/>
+                  <DataColumn ref.Name="columnSummary" Text="Summary" TextProperty="Summary" ValueProperty="Summary"/>
                 </att.Columns>
                 <att.DataColumns>
                   <_>0</_>
diff --git a/SampleForDoc/GacUI/XmlRes/control_datagrid_visualizer/Resource.xml b/SampleForDoc/GacUI/XmlRes/control_datagrid_visualizer/Resource.xml
index f038d2b0..293dd14c 100644
--- a/SampleForDoc/GacUI/XmlRes/control_datagrid_visualizer/Resource.xml
+++ b/SampleForDoc/GacUI/XmlRes/control_datagrid_visualizer/Resource.xml
@@ -15,7 +15,40 @@
       <Text name="Resource">..\..\UIRes\64bits\control_datagrid_visualizer.bin</Text>
     </Folder>
   </Folder>
+  <Image content="File">Summary.png</Image>
   <Folder name="MainWindow">
+    <Instance name="SummaryVisualizerResource">
+      <Instance ref.CodeBehind="false" ref.Class="sample::SummaryVisualizer">
+        <GridVisualizerTemplate ref.Name="self">
+          <Table AlignmentToParent="left:0 top:0 right:0 bottom:0" CellPadding="5" BorderVisible="false" MinSizeLimitation="LimitToElementAndChildren">
+            <att.Rows>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+            </att.Rows>
+            <att.Columns>
+              <CellOption>composeType:MinSize</CellOption>
+              <CellOption>composeType:Percentage percentage:1.0</CellOption>
+            </att.Columns>
+
+            <Cell Site="row:0 column:0">
+              <CustomControl TooltipWidth="240">
+                <att.BoundsComposition-set AlignmentToParent="left:0 top:0 right:0 bottom:0"/>
+                <Bounds AlignmentToParent="left:0 top:0 right:0 bottom:0" MinSizeLimitation="LimitToElementAndChildren">
+                  <ImageFrame Image-uri="res://Summary.png"/>
+                </Bounds>
+                <att.TooltipControl>
+                  <DocumentLabel Text-bind="self.Text"/>
+                </att.TooltipControl>
+              </CustomControl>
+            </Cell>
+
+            <Cell Site="row:0 column:1">
+              <SolidLabel Text-bind="cast string self.CellValue ?? ''" Font-bind="self.Font" Color-bind="self.PrimaryTextColor" Ellipse="true"/>
+            </Cell>
+          </Table>
+        </GridVisualizerTemplate>
+      </Instance>
+    </Instance>
+
     <Instance name="MainWindowResource">
       <Instance ref.Class="sample::MainWindow" xmlns:sample="sample::*">
         <sample:DataGridWindowBase ref.Name="self" Text="control_datagrid_visualizer" env.ItemType="sample::BookItem^">
@@ -26,7 +59,7 @@
                 var cell = self.DataGrid.SelectedCell;
                 if (cell.row != -1 and cell.column == 1)
                 {
-                  messageDialog.Text = (cast (BookItem^) self.DataGrid.SelectedRowValue).Author;
+                  messageDialog.Text = cast string self.DataGrid.SelectedCellValue;
                   messageDialog.ShowDialog();
                 }
               }
@@ -35,6 +68,9 @@
           <att.AuthorColumn-set>
             <att.VisualizerFactory>HyperlinkVisualizerTemplate;FocusRectangleVisualizerTemplate;CellBorderVisualizerTemplate</att.VisualizerFactory>
           </att.AuthorColumn-set>
+          <att.SummaryColumn-set>
+            <att.VisualizerFactory>sample:SummaryVisualizer;FocusRectangleVisualizerTemplate;CellBorderVisualizerTemplate</att.VisualizerFactory>
+          </att.SummaryColumn-set>
         </sample:DataGridWindowBase>
       </Instance>
     </Instance>
diff --git a/SampleForDoc/GacUI/XmlRes/control_datagrid_visualizer/Summary.png b/SampleForDoc/GacUI/XmlRes/control_datagrid_visualizer/Summary.png
new file mode 100644
index 00000000..0fa7d999
Binary files /dev/null and b/SampleForDoc/GacUI/XmlRes/control_datagrid_visualizer/Summary.png differ