Uno Platform DataGrid Compile Error Issue.

[RSReswin]

0>CreateBookPage_66850084b733a89173eb2b72f6e9d3ff.cs(213,30): Error CS1061 : 'Grid' does not contain a definition for 'Columns' and no accessible extension method 'Columns' accepting a first argument of type 'Grid' could be found (are you missing a using directive or an assembly reference?)
0>CreateBookPage_66850084b733a89173eb2b72f6e9d3ff.cs(307,57): Error CS0117 : 'DataGrid' does not contain a definition for 'SetRowDetailsTemplate'

<wct:DataGrid.Columns>
   <wct:DataGridTextColumn Header="Plant Name"
                           Tag="PlantName"
                           Binding="{Binding PlantName, Mode=TwoWay}" />
   <wct:DataGridTextColumn Header="Plants Count"
                           Tag="PlantsCount"
                           Binding="{Binding PlantsCount, Mode=TwoWay}" />
   <wct:DataGridTemplateColumn Header="Fruit or Vegetable"
                               Tag="FruitOrVegetable">
      <wct:DataGridTemplateColumn.CellTemplate>
         <DataTemplate>
            <TextBlock Text="{Binding FruitOrVegetable}"
                       VerticalAlignment="Center"
                       Margin="8,0,0,0" />
         </DataTemplate>
      </wct:DataGridTemplateColumn.CellTemplate>
      <wct:DataGridTemplateColumn.CellEditingTemplate>
         <DataTemplate>
            <ComboBox ItemsSource="{Binding FruitOrVegetableEnumValues}"
                      SelectedItem="{Binding FruitOrVegetable, Mode=TwoWay}"
                      HorizontalAlignment="Stretch" />
         </DataTemplate>
      </wct:DataGridTemplateColumn.CellEditingTemplate>
   </wct:DataGridTemplateColumn>
   <wct:DataGridTemplateColumn Header="Date Planted"
                               Tag="PlantDate">
      <wct:DataGridTemplateColumn.CellTemplate>
         <DataTemplate>
            <TextBlock Text="{Binding PlantDate, Converter={StaticResource StringFormatConverter}, ConverterParameter='{}{0:MM/dd/yyyy}'}"
                       VerticalAlignment="Center"
                       Margin="8,0,0,0" />
         </DataTemplate>
      </wct:DataGridTemplateColumn.CellTemplate>
      <wct:DataGridTemplateColumn.CellEditingTemplate>
         <DataTemplate>
            <CalendarDatePicker Margin="3,4,3,3"
                                Date="{Binding PlantDate, Mode=TwoWay,Converter={StaticResource DateTimeToDateTimeOffset}}" />
         </DataTemplate>
      </wct:DataGridTemplateColumn.CellEditingTemplate>
   </wct:DataGridTemplateColumn>
   <wct:DataGridCheckBoxColumn Header="Has been watered?"
                               Tag="IsWatered"
                               Binding="{Binding IsWatered, Mode=TwoWay}" />
</wct:DataGrid.Columns>
<wct:DataGrid.RowDetailsTemplate>
   <DataTemplate>
      <StackPanel Spacing="8"
                  Margin="20,10">
         <TextBlock Text="{Binding PlantName}" />
         <TextBlock Text="{Binding PlantsCount}" />
         <TextBlock Text="{Binding FruitOrVegetable}" />
         <TextBlock Text="{Binding PlantDate}" />
         <TextBlock Text="{Binding IsWatered}" />
      </StackPanel>
   </DataTemplate>
</wct:DataGrid.RowDetailsTemplate>
<ScrollViewer>
   <StackPanel Spacing="4">
      <StackPanel Orientation="Horizontal">
         <AppBarButton Icon="Filter"
                    Label="Filter By">
            <AppBarButton.Flyout>
               <MenuFlyout>
                  <MenuFlyoutItem Text="Count &gt; 10"
                               Tag="TenMore"
                               Click="FilterFlyoutItem_Click" />
                  <MenuFlyoutItem Text="Count &lt; 10"
                               Tag="TenLess"
                               Click="FilterFlyoutItem_Click" />
                  <MenuFlyoutSeparator />
                  <MenuFlyoutItem Text="Watered"
                               Tag="IsWatered"
                               Click="FilterFlyoutItem_Click" />
                  <MenuFlyoutSeparator />
                  <MenuFlyoutItem Text="Fruit"
                               Tag="Fruit"
                               Click="FilterFlyoutItem_Click" />
                  <MenuFlyoutItem Text="Vegetable"
                               Tag="Vegetable"
                               Click="FilterFlyoutItem_Click" />
                  <MenuFlyoutSeparator />
                  <MenuFlyoutItem Text="Remove Filter"
                               Click="FilterFlyoutItem_Click" />
               </MenuFlyout>
            </AppBarButton.Flyout>
         </AppBarButton>
         <AppBarButton Label="Group By">
            <AppBarButton.Icon>
               <FontIcon Glyph="" />
            </AppBarButton.Icon>
            <AppBarButton.Flyout>
               <MenuFlyout>
                  <MenuFlyoutItem Text="Fruit or Vegetable"
                               Tag="FruitOrVegetable"
                               Click="GroupByFlyoutItem_Click" />
                  <MenuFlyoutItem Text="Has been watered?"
                               Tag="IsWatered"
                               Click="GroupByFlyoutItem_Click" />
                  <MenuFlyoutSeparator />
                  <MenuFlyoutItem Text="Remove Filter"
                               Click="GroupByFlyoutItem_Click" />
               </MenuFlyout>
            </AppBarButton.Flyout>
         </AppBarButton>
      </StackPanel>
      <MenuFlyoutSeparator Margin="0,-4,0,4" />
      <muxc:NumberBox Value="{Binding Data.ColumnHeaderHeight, Mode=TwoWay}"
                   Minimum="4"
                   Maximum="999"
                   Header="ColumnHeaderHeight" />
      <muxc:NumberBox Value="{Binding Data.MaxColumnWidth, Mode=TwoWay}"
                   Minimum="{Binding Data.MinColumnWidth, Mode=TwoWay}"
                   Maximum="999"
                   Header="MaxColumnWidth" />
      <muxc:NumberBox Value="{Binding Data.MinColumnWidth, Mode=TwoWay}"
                   Maximum="{Binding Data.MaxColumnWidth, Mode=TwoWay}"
                   Minimum="0"
                   Header="MinColumnWidth" />
      <CheckBox IsChecked="{Binding Data.AreRowDetailsFrozen, Mode=TwoWay}"
             Content="AreRowDetailsFrozen" />
      <CheckBox IsChecked="{Binding Data.AreRowGroupHeadersFrozen, Mode=TwoWay}"
             Content="AreRowGroupHeadersFrozen" />
      <CheckBox IsChecked="{Binding Data.CanUserSortColumns, Mode=TwoWay}"
             Content="CanUserSortColumns" />
      <CheckBox IsChecked="{Binding Data.CanUserReorderColumns, Mode=TwoWay}"
             Content="CanUserReorderColumns" />
      <CheckBox IsChecked="{Binding Data.CanUserResizeColumns, Mode=TwoWay}"
             Content="CanUserResizeColumns" />
      <CheckBox IsChecked="{Binding Data.IsReadOnly, Mode=TwoWay}"
             Content="IsReadOnly" />
      <ComboBox ItemsSource="{Binding Data.AvailableColors, Mode=OneTime}"
             SelectedItem="{Binding Data.AlternatingRowForeground, Mode=TwoWay}"
             Header="AlternatingRowForeground">
         <ComboBox.ItemTemplate>
            <DataTemplate>
               <StackPanel Orientation="Horizontal">
                  <Border BorderBrush="Gray"
                       BorderThickness="0.5"
                       CornerRadius="3">
                     <Rectangle Width="20"
                             Height="20"
                             RadiusX="3"
                             RadiusY="3"
                             VerticalAlignment="Center"
                             Fill="{Binding}" />
                  </Border>
                  <TextBlock Text="{Binding Color, Converter={StaticResource ColorNameToString}}"
                          VerticalAlignment="Center"
                          Margin="10,0,0,0" />
               </StackPanel>
            </DataTemplate>
         </ComboBox.ItemTemplate>
      </ComboBox>
      <ComboBox ItemsSource="{Binding Data.AvailableColors, Mode=OneTime}"
             SelectedItem="{Binding Data.AlternatingRowBackground, Mode=TwoWay}"
             Header="AlternatingRowBackground">
         <ComboBox.ItemTemplate>
            <DataTemplate>
               <StackPanel Orientation="Horizontal">
                  <Border BorderBrush="Gray"
                       BorderThickness="0.5"
                       CornerRadius="3">
                     <Rectangle Width="20"
                             Height="20"
                             RadiusX="3"
                             RadiusY="3"
                             VerticalAlignment="Center"
                             Fill="{Binding}" />
                  </Border>
                  <TextBlock Text="{Binding Color, Converter={StaticResource ColorNameToString}}"
                          VerticalAlignment="Center"
                          Margin="10,0,0,0" />
               </StackPanel>
            </DataTemplate>
         </ComboBox.ItemTemplate>
      </ComboBox>
      <ComboBox ItemsSource="{Binding Data.GridLinesVisibilityOptions}"
             SelectedItem="{Binding Data.GridLinesVisibility, Mode=TwoWay}"
             Header="GridLinesVisibility" />
      <ComboBox ItemsSource="{Binding Data.HeadersVisibilityOptions}"
             SelectedItem="{Binding Data.HeadersVisibility, Mode=TwoWay}"
             Header="HeadersVisibility" />
      <ComboBox ItemsSource="{Binding Data.SelectionModeOptions}"
             SelectedItem="{Binding Data.SelectionMode, Mode=TwoWay}"
             Header="SelectionMode" />
   </StackPanel>
</ScrollViewer>

[RSReswin]

error line
wct:DataGrid.Columns

[RSReswin]

Installed Package Name : Uno.CommunityToolkit.WinUI.UI.Controls

[RSReswin]

issue fixed by remove

<DataTemplate>
      <StackPanel Spacing="8"
                  Margin="20,10">
         <TextBlock Text="{Binding PlantName}" />
         <TextBlock Text="{Binding PlantsCount}" />
         <TextBlock Text="{Binding FruitOrVegetable}" />
         <TextBlock Text="{Binding PlantDate}" />
         <TextBlock Text="{Binding IsWatered}" />
      </StackPanel>
   </DataTemplate>

</wct:DataGrid.Columns>

.Columns