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How to differentiate the UWP GridCombobox column from other columns in non-editable display mode?

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You can differentiate the GridComboBoxColumn from other columns by showing the drop down arrow in the display mode. Normally, it is shown only in the edit mode. For this, you need to write the custom style for the GridCell and assign that style to the GridComboBoxColumn.CellStyle property, as follows.

 XAML 

<Style x:Key="style1" TargetType="syncfusion:GridCell">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="syncfusion:GridCell">
                        <Grid SnapsToDevicePixels="True">
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="IndicationStates">
 
                                    <VisualState x:Name="HasError">
                                        <Storyboard>
                                            <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PART_InValidCellBorder" Storyboard.TargetProperty="Width">
                                                <EasingDoubleKeyFrame KeyTime="0" Value="0" />
                                                <EasingDoubleKeyFrame KeyTime="0" Value="10" />
                                            </DoubleAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="NoError">
                                        <Storyboard BeginTime="0">
                                            <DoubleAnimationUsingKeyFrames Storyboard.TargetName="PART_InValidCellBorder" Storyboard.TargetProperty="Width">
                                                <EasingDoubleKeyFrame KeyTime="0" Value="1" />
                                                <EasingDoubleKeyFrame KeyTime="0" Value="0" />
                                            </DoubleAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                            </VisualStateManager.VisualStateGroups>
                            <Border Background="{TemplateBinding Background}"
                                    BorderBrush="{TemplateBinding BorderBrush}"
                                    BorderThickness="{TemplateBinding BorderThickness}"
                                    SnapsToDevicePixels="True">
                                <Grid>
                                    <ContentPresenter Margin="{TemplateBinding Padding}" />
                      <!--Sets the Arrow Path-->.
                                    <Path Width="5.3"
                                          Height="4.2"
                                          Margin="0,0,7,0"
                                          HorizontalAlignment="Right"
                                          VerticalAlignment="Center"
                                          Data="F1M0,0L2.667,2.66665 5.3334,0 5.3334,-1.78168 2.6667,0.88501 0,-1.78168 0,0z"
                                          Fill="Gray"
                                          Stretch="Uniform" />
                                </Grid>
                            </Border>
                            <Border Background="Transparent"
                                    BorderBrush="{TemplateBinding CurrentCellBorderBrush}"
                                    BorderThickness="{TemplateBinding CurrentCellBorderThickness}"
                                    IsHitTestVisible="False"
                                    SnapsToDevicePixels="True"
                                    Visibility="{TemplateBinding CurrentCellBorderVisibility}" />
                            <Border x:Name="PART_InValidCellBorder"
                                    Width="10"
                                    Height="10"
                                    HorizontalAlignment="Right"
                                    VerticalAlignment="Top"
                                    SnapsToDevicePixels="True">
                                <ToolTipService.ToolTip>
                                    <ToolTip Background="#FFDB000C"
                                             Placement="Right"
                                             PlacementRectangle="20,0,0,0"
                                             Tag="{TemplateBinding ErrorMessage}"
                                           Template="{StaticResource ValidationToolTipTemplate}" />
                                </ToolTipService.ToolTip>
                                <Path Data="M0.5,0.5 L12.652698,0.5 12.652698,12.068006 z"
                                      Fill="Red"
                                      SnapsToDevicePixels="True"
                                      Stretch="Fill" />
                            </Border>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

 

 

Note:

The above custom style is only applicable for the WPF platform. For WinRT and Windows Phone, UWP refer to the following sample links.

 

The following screenshot shows to differentiate the GridComboBoxColumn from other columns,

GridColumn display mode

Figure 1: Shows drop down arrow for GridComboBoxColumn in display mode

 

Sample Links:

WinRT


Conclusion

I hope you enjoyed learning about how to differentiate the GridCombobox column from other columns in non-editable display mode.

You can refer to our UWP DataGrid feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our UWP DataGrid example
to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forumsDirect-Trac, or feedback portal. We are always happy to assist you!


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