diff --git a/UWP-004/UWP-004/WhatIsXAML/WhatIsXAML/MainPage.xaml b/UWP-004/UWP-004/WhatIsXAML/WhatIsXAML/MainPage.xaml
index de99d21..b69646d 100644
--- a/UWP-004/UWP-004/WhatIsXAML/WhatIsXAML/MainPage.xaml
+++ b/UWP-004/UWP-004/WhatIsXAML/WhatIsXAML/MainPage.xaml
@@ -8,7 +8,7 @@
     mc:Ignorable="d" 
     Loaded="Page_Loaded">
 
-    <GridView Name="LayoutGrid" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+    <Grid Name="LayoutGrid" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
         <Button Name="ClickMeButton"
                 HorizontalAlignment="Left"
@@ -35,5 +35,5 @@
                    VerticalAlignment="Top"
                    FontSize="48" />
 
-    </GridView>
+    </Grid>
 </Page>
diff --git a/UWP-005/UWP-005/WhatIsXAML/WhatIsXAML/MainPage.xaml b/UWP-005/UWP-005/WhatIsXAML/WhatIsXAML/MainPage.xaml
index de99d21..b69646d 100644
--- a/UWP-005/UWP-005/WhatIsXAML/WhatIsXAML/MainPage.xaml
+++ b/UWP-005/UWP-005/WhatIsXAML/WhatIsXAML/MainPage.xaml
@@ -8,7 +8,7 @@
     mc:Ignorable="d" 
     Loaded="Page_Loaded">
 
-    <GridView Name="LayoutGrid" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+    <Grid Name="LayoutGrid" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
         <Button Name="ClickMeButton"
                 HorizontalAlignment="Left"
@@ -35,5 +35,5 @@
                    VerticalAlignment="Top"
                    FontSize="48" />
 
-    </GridView>
+    </Grid>
 </Page>
diff --git a/UWP-006/UWP-006/WhatIsXAML/WhatIsXAML/MainPage.xaml b/UWP-006/UWP-006/WhatIsXAML/WhatIsXAML/MainPage.xaml
index de99d21..b69646d 100644
--- a/UWP-006/UWP-006/WhatIsXAML/WhatIsXAML/MainPage.xaml
+++ b/UWP-006/UWP-006/WhatIsXAML/WhatIsXAML/MainPage.xaml
@@ -8,7 +8,7 @@
     mc:Ignorable="d" 
     Loaded="Page_Loaded">
 
-    <GridView Name="LayoutGrid" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+    <Grid Name="LayoutGrid" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
         <Button Name="ClickMeButton"
                 HorizontalAlignment="Left"
@@ -35,5 +35,5 @@
                    VerticalAlignment="Top"
                    FontSize="48" />
 
-    </GridView>
+    </Grid>
 </Page>