Mini Kabibi Habibi

<local:GridDemoModule x:Class="GridDemo.GroupSummary"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:sys="clr-namespace:System;assembly=mscorlib"
    xmlns:collections="clr-namespace:System.Collections;assembly=mscorlib"
    xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
    xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"
    xmlns:dxgt="http://schemas.devexpress.com/winfx/2008/xaml/grid/themekeys"
 xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors"
 xmlns:dxdb="http://schemas.devexpress.com/winfx/2008/xaml/demobase"
    xmlns:local="clr-namespace:GridDemo"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    mc:Ignorable="d" d:DesignHeight="400" d:DesignWidth="800">
    <local:GridDemoModule.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="/GridDemo;component/ModuleResources/GroupSummaryTemplates.xaml" />
            </ResourceDictionary.MergedDictionaries>
            <dxdb:NWindDataLoader x:Key="NWindDataLoader" />
        </ResourceDictionary>
    </local:GridDemoModule.Resources>
    <local:GridDemoModule.DataContext>
        <local:GroupSummaryViewModel>
            <local:GroupSummaryViewModel.AlignByColumnsDisplayModeSummaries>
                <local:GridSummaryList>
                    <dxg:GridSummaryItem FieldName="Discount" SummaryType="Max" />
                    <dxg:GridSummaryItem FieldName="Total" SummaryType="Sum" />
                    <dxg:GridSummaryItem FieldName="Quantity" SummaryType="Min"/>
                    <dxg:GridSummaryItem FieldName="Freight" SummaryType="Sum"/>
                    <dxg:GridSummaryItem FieldName="UnitPrice" SummaryType="Average"/>
                </local:GridSummaryList>
            </local:GroupSummaryViewModel.AlignByColumnsDisplayModeSummaries>
            <local:GroupSummaryViewModel.DefaultDisplayModeSummaries>
                <local:GridSummaryList>
                    <dxg:GridSummaryItem FieldName="Discount" SummaryType="Max" />
                    <dxg:GridSummaryItem FieldName="Total" SummaryType="Sum" />
                </local:GridSummaryList>
            </local:GroupSummaryViewModel.DefaultDisplayModeSummaries>
        </local:GroupSummaryViewModel>
    </local:GridDemoModule.DataContext>
    <dxdb:DemoModuleControl SupressGroupFramePaddingInOptions="False">
        <dxdb:DemoModuleControl.OptionsContent>
            <StackPanel Orientation="Vertical">
                <dxe:CheckEdit x:Name="alignByColumnsCheckEdit" Margin="0,0,0,4" IsChecked="{Binding Path=DataContext.AlignSummariesByColumns, Mode=TwoWay}" Content="Align Summaries by Columns"/>
                <dxe:CheckEdit Margin="0,0,0,12" IsChecked="{Binding Path=DataContext.AllowCascadeUpdate, Mode=TwoWay}" Content="Allow Cascade Update"/>
                <dx:GroupFrame Header="Summary Template" Visibility="{Binding IsChecked, ElementName=alignByColumnsCheckEdit, Converter={StaticResource BoolToVisibilityInverseConverter}}">
                    <dxe:ListBoxEdit Background="{x:Null}" ShowBorder="False" Margin="0,0,30,0" SelectedIndex="0" Name="summaryItemTemplateComboBox" EditValueChanged="summaryItemTemplateComboBox_SelectionChanged">
                        <dxe:ListBoxEdit.StyleSettings>
                            <dxe:RadioListBoxEditStyleSettings />
                        </dxe:ListBoxEdit.StyleSettings>
                        <dxe:ListBoxEdit.Items>
                            <sys:String>Customizable</sys:String>
                            <sys:String>Conditional</sys:String>
                            <sys:String>Custom</sys:String>
                            <sys:String>Default</sys:String>
                        </dxe:ListBoxEdit.Items>
                    </dxe:ListBoxEdit>
                </dx:GroupFrame>
            </StackPanel>
        </dxdb:DemoModuleControl.OptionsContent>
        <dxg:GridControl Name="grid" ItemsSource="{Binding Path=Invoices, Source={StaticResource NWindDataLoader}}" GroupSummarySource="{Binding SummarySource}">
            <dxg:GridControl.Columns>
                <dxg:GridColumn Name="colCity" FieldName="City" MinWidth="120" GroupIndex="0" VisibleIndex="{Binding CityColumnVisibleIndex, Mode=TwoWay}"/>
                <dxg:GridColumn FieldName="UnitPrice" MinWidth="30">
                    <dxg:GridColumn.EditSettings>
                        <dxe:TextEditSettings DisplayFormat="$0.00" MaskType="Numeric" />
                    </dxg:GridColumn.EditSettings>
                </dxg:GridColumn>
                <dxg:GridColumn FieldName="Quantity" MinWidth="30" />
                <dxg:GridColumn FieldName="Discount" MinWidth="30">
                    <dxg:GridColumn.EditSettings>
                        <dxe:TextEditSettings DisplayFormat="0%" MaskType="Numeric" />
                    </dxg:GridColumn.EditSettings>
                </dxg:GridColumn>
                <dxg:GridColumn FieldName="Freight" MinWidth="30">
                    <dxg:GridColumn.EditSettings>
                        <dxe:TextEditSettings DisplayFormat="$0.00" MaskType="Numeric" />
                    </dxg:GridColumn.EditSettings>
                </dxg:GridColumn>
                <dxg:GridColumn FieldName="Total" UnboundType="Decimal" MinWidth="30" UnboundExpression="([UnitPrice] * [Quantity]) * (1 - [Discount])">
                    <dxg:GridColumn.EditSettings>
                        <dxe:TextEditSettings DisplayFormat="$0.00" MaskType="Numeric" />
                    </dxg:GridColumn.EditSettings>
                </dxg:GridColumn>
                <dxg:GridColumn FieldName="ExtendedPrice" Visible="False" ShowInColumnChooser="False" AllowColumnFiltering="False" />
            </dxg:GridControl.Columns>
            <dxg:GridControl.View>
                <dxg:TableView x:Name="view" AllowPerPixelScrolling="True" ShowGroupedColumns="{Binding Path=AlignSummariesByColumns}"
                               AllowCascadeUpdate="{Binding Path=AllowCascadeUpdate}" AllowGroupSummaryCascadeUpdate="{Binding Path=AllowCascadeUpdate}"
                               GroupSummaryDisplayMode="{Binding Path=AlignSummariesByColumns, Converter={StaticResource BoolToGroupSummaryDisplayModeConverter}}"
                               AllowEditing="False" NavigationStyle="Row" AutoWidth="True" GroupSummaryItemTemplate="{StaticResource customTemplateWithSummaryCustomization}" />
            </dxg:GridControl.View>
        </dxg:GridControl>
    </dxdb:DemoModuleControl>
</local:GridDemoModule>