How to Remove Scroll page in grid

i was Impleted scroll page in grid view but it is taken empty space please how to reduce that empty space

-----------------my code...........................

<?xml version="1.0" encoding="utf-8" ?>

<ContentPage.Content>


<Grid.RowDefinitions>


</Grid.RowDefinitions>



<Grid.RowDefinitions>



</Grid.RowDefinitions>


<Button Grid.Row="2"
Text="Play"
VerticalOptions="Start"
HorizontalOptions="Start"
TextColor="White"
BackgroundColor="#da125e"
WidthRequest="100"
CornerRadius="20"

<ListView.ItemTemplate>







</ListView.ItemTemplate>





<ListView.ItemTemplate>







</ListView.ItemTemplate>





<ListView.ItemTemplate>







</ListView.ItemTemplate>





<ListView.ItemTemplate>







</ListView.ItemTemplate>





<ListView.ItemTemplate>







</ListView.ItemTemplate>





</ContentPage.Content>