diff --git a/demo/Semi.Avalonia.Demo/Pages/DataValidationErrorsDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/DataValidationErrorsDemo.axaml
index 1592d38..a8e1101 100644
--- a/demo/Semi.Avalonia.Demo/Pages/DataValidationErrorsDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/DataValidationErrorsDemo.axaml
@@ -65,6 +65,19 @@
                     <system:Exception />
                 </DataValidationErrors.Error>
             </TextBox>
+            <TextBox
+                Width="300"
+                InnerLeftContent="http://"
+                InnerRightContent=".com">
+                <TextBox.Styles>
+                    <Style Selector="TextBox /template/ DataValidationErrors">
+                        <Setter Property="Theme" Value="{DynamicResource TooltipDataValidationErrors}" />
+                    </Style>
+                </TextBox.Styles>
+                <DataValidationErrors.Error>
+                    <system:Exception />
+                </DataValidationErrors.Error>
+            </TextBox>
         </StackPanel>
     </ScrollViewer>
 </UserControl>
diff --git a/src/Semi.Avalonia.DataGrid/DataGrid.axaml b/src/Semi.Avalonia.DataGrid/DataGrid.axaml
index 50373a3..9087751 100644
--- a/src/Semi.Avalonia.DataGrid/DataGrid.axaml
+++ b/src/Semi.Avalonia.DataGrid/DataGrid.axaml
@@ -14,6 +14,13 @@
         BasedOn="{StaticResource {x:Type TextBox}}"
         TargetType="TextBox">
         <Setter Property="VerticalAlignment" Value="Stretch" />
+        <Setter Property="MinHeight" Value="20" />
+        <Style Selector="^ /template/ Border#PART_ContentPresenterBorder">
+            <Setter Property="MinHeight" Value="20" />
+        </Style>
+        <Style Selector="^:error:focus /template/ Border#PART_ContentPresenterBorder">
+            <Setter Property="Border.BorderBrush" Value="Transparent" />
+        </Style>
         <Style Selector="^ /template/ DataValidationErrors">
             <Setter Property="Theme" Value="{DynamicResource TooltipDataValidationErrors}" />
         </Style>
diff --git a/src/Semi.Avalonia/Controls/DataValidationErrors.axaml b/src/Semi.Avalonia/Controls/DataValidationErrors.axaml
index 5486e93..a91ebf0 100644
--- a/src/Semi.Avalonia/Controls/DataValidationErrors.axaml
+++ b/src/Semi.Avalonia/Controls/DataValidationErrors.axaml
@@ -1,4 +1,7 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:collections="clr-namespace:System.Collections;assembly=netstandard">
     <!--  Add Resources Here  -->
     <ControlTheme x:Key="{x:Type DataValidationErrors}" TargetType="DataValidationErrors">
         <Setter Property="Template">
@@ -52,4 +55,54 @@
             </ControlTemplate>
         </Setter>
     </ControlTheme>
+
+    <ControlTheme x:Key="TooltipDataValidationErrors" TargetType="DataValidationErrors">
+        <Setter Property="Template">
+            <ControlTemplate TargetType="DataValidationErrors">
+                <DockPanel LastChildFill="True">
+                    <ContentControl
+                        Content="{Binding (DataValidationErrors.Errors)}"
+                        ContentTemplate="{TemplateBinding ErrorTemplate}"
+                        DataContext="{TemplateBinding Owner}"
+                        DockPanel.Dock="Right"
+                        IsVisible="{Binding (DataValidationErrors.HasErrors)}" />
+                    <ContentPresenter
+                        Name="PART_ContentPresenter"
+                        Padding="{TemplateBinding Padding}"
+                        Background="{TemplateBinding Background}"
+                        BorderBrush="{TemplateBinding BorderBrush}"
+                        BorderThickness="{TemplateBinding BorderThickness}"
+                        Content="{TemplateBinding Content}"
+                        ContentTemplate="{TemplateBinding ContentTemplate}"
+                        CornerRadius="{TemplateBinding CornerRadius}" />
+                </DockPanel>
+            </ControlTemplate>
+        </Setter>
+        <Setter Property="ErrorTemplate">
+            <DataTemplate>
+                <Panel Name="PART_InlineErrorTemplatePanel" Background="Transparent">
+                    <Panel.Styles>
+                        <Style Selector="Panel#PART_InlineErrorTemplatePanel">
+                            <Setter Property="Margin" Value="8,0" />
+                        </Style>
+                        <Style Selector="Panel#PART_InlineErrorTemplatePanel ToolTip">
+                            <Setter Property="BorderBrush" Value="{DynamicResource DataValidationErrorsForeground}" />
+                        </Style>
+                        <Style Selector="Panel#PART_InlineErrorTemplatePanel ToolTip TextBlock">
+                            <Setter Property="TextWrapping" Value="Wrap" />
+                        </Style>
+                    </Panel.Styles>
+                    <ToolTip.Tip>
+                        <ItemsControl x:DataType="collections:IEnumerable" ItemsSource="{Binding}" />
+                    </ToolTip.Tip>
+                    <Path
+                        Width="14"
+                        Height="14"
+                        Data="M14,7 A7,7 0 0,0 0,7 M0,7 A7,7 0 1,0 14,7 M7,3l0,5 M7,9l0,2"
+                        Stroke="{DynamicResource DataValidationErrorsForeground}"
+                        StrokeThickness="2" />
+                </Panel>
+            </DataTemplate>
+        </Setter>
+    </ControlTheme>
 </ResourceDictionary>