<?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:dxg="clr-namespace:DevExpress.Mobile.DataGrid;assembly=DevExpress.Mobile.Grid.v16.2" x:Class="DevExpress.GridDemo.SummaryGroupPage"> <ContentPage.Padding> <OnPlatform x:TypeArguments="Thickness" iOS="0, 20, 0, 0" /> </ContentPage.Padding> <ContentPage.Content> <dxg:GridControl x:Name="grid" ItemsSource="{Binding Orders}"> <dxg:GridControl.Columns> <dxg:TextColumn FieldName="Customer.Name" Caption="Name" IsReadOnly="true" /> <dxg:DateColumn FieldName="Date" DisplayFormat="{}{0:d}" IsGrouped="true" GroupInterval="DateMonth" /> <dxg:NumberColumn FieldName="Total" IsReadOnly="True" DisplayFormat="{}{0:C2}" /> </dxg:GridControl.Columns> <dxg:GridControl.GroupSummaries> <dxg:GridColumnSummary FieldName="Total" Type="Sum" /> </dxg:GridControl.GroupSummaries> </dxg:GridControl> </ContentPage.Content> </ContentPage>