Sorry, i just put the code again. this should be sufficient I think. If not, I will try to create a small test project. please let me know
<navigation:SfNavigationDrawer x:Name="navigationDrawer" Position="Right" Transition="SlideOnTop" DrawerWidth="300">
<navigation:SfNavigationDrawer.DrawerHeaderView>
<Grid x:Name="headerLayout" BackgroundColor="#1aa1d6" >
<Label x:Name="header" Text="FILTERS" FontSize="14" TextColor="White" VerticalTextAlignment="Center" HorizontalTextAlignment="Center" />
</Grid>
</navigation:SfNavigationDrawer.DrawerHeaderView>
<navigation:SfNavigationDrawer.DrawerContentView>
<StackLayout Orientation="Vertical" BackgroundColor="White">
...
</StackLayout>
</navigation:SfNavigationDrawer.DrawerContentView>
<navigation:SfNavigationDrawer.ContentView>
<StackLayout Orientation="Vertical">
<xlabs:AutoCompleteView x:Name="MyAutoComplete"
Text="{Binding SearchText, Mode=TwoWay}"
SuggestionItemDataTemplate="{StaticResource SuggestionItemTemplate}"
Placeholder="Search Items here!"
ShowSearchButton="False"
SearchBackgroundColor="White"
SearchTextColor = "Black"
SearchBorderColor = "Yellow"
SuggestionBackgroundColor="White"
SearchCommand="{Binding FindItems}"
Suggestions="{Binding Items, Mode=TwoWay}"
/>
<sfgrid:SfDataGrid ScrollingMode="PixelLine" x:Name="listItems"
AutoGenerateColumns="False"
AllowSorting="True"
IsEnabled="True"
ColumnSizer="Star"
AllowSwiping="True"
MaxSwipeOffset="180"
GridTapped="dataGrid_GridTapped"
SelectionMode="{Binding GridSelectionMode}"
SelectionChanged="SuperSetSelectionChanged"
AutoExpandGroups="True"
AllowGroupExpandCollapse="True"
RowHeight="100" ItemsSource="{Binding Items}"
SelectedItem="{Binding SelectedItem, Mode=OneWayToSource}" VerticalOptions="FillAndExpand">
....
</navigation:SfNavigationDrawer>
</ContentView.Content>