How to: Apply Conditional Formatting

<Window

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:ConditionalFormatting"
        xmlns:dxc="http://schemas.devexpress.com/winfx/2008/xaml/core"
        xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"
    x:Class="ConditionalFormatting.MainWindow"
        Title="MainWindow" Height="500" Width="800">
    <Window.DataContext>
        <local:ConditionalFormattingViewModel/>
    </Window.DataContext>
    <Grid>
        <dxg:GridControl Name="grid" ItemsSource="{Binding Path=Items}" AllowLiveDataShaping="True" EnableSmartColumnsGeneration="True">
            <dxg:GridControl.Columns>
                <dxg:GridColumn FieldName="State" IsSmart="True" SortIndex="0" VisibleIndex="0"/>
                <dxg:GridColumn FieldName="Sales" IsSmart="True" VisibleIndex="1"/>
                <dxg:GridColumn FieldName="SalesVsTarget" IsSmart="True" FixedWidth="True" VisibleIndex="2"/>
                <dxg:GridColumn FieldName="Profit" IsSmart="True" VisibleIndex="3"/>
                <dxg:GridColumn FieldName="CustomersSatisfaction" IsSmart="True" FixedWidth="True" VisibleIndex="4"/>
                <dxg:GridColumn FieldName="MarketShare" IsSmart="True" FixedWidth="True" VisibleIndex="5"/>
            </dxg:GridControl.Columns>
            <dxg:GridControl.View>
                <dxg:TableView AllowEditing="False" AllowConditionalFormattingMenu="True">
                    <dxg:TableView.FormatConditions>
                        <dxg:FormatCondition Expression="[SalesVsTarget] &lt; 0.0m" FieldName="SalesVsTarget" PredefinedFormatName="RedText"/>
                        <dxg:FormatCondition Expression="[Profit] &lt; 0.0" FieldName="Profit">
                            <dxc:Format Foreground="Red"/>
                        </dxg:FormatCondition>
                        <dxg:FormatCondition Expression="[SalesVsTarget] &gt; 0.0m" FieldName="SalesVsTarget" PredefinedFormatName="GreenText"/>
                        <dxg:DataBarFormatCondition FieldName="Sales" PredefinedFormatName="RedGradientDataBar"/>
                        <dxg:TopBottomRuleFormatCondition Expression="[Sales]" FieldName="{x:Null}" PredefinedFormatName="BoldText" Rule="TopPercent" Threshold="10"/>
                        <dxg:DataBarFormatCondition FieldName="Profit" PredefinedFormatName="GreenGradientDataBar"/>
                        <dxg:IconSetFormatCondition FieldName="MarketShare" PredefinedFormatName="Quarters5IconSet"/>
                        <dxg:IconSetFormatCondition FieldName="CustomersSatisfaction" PredefinedFormatName="Stars3IconSet"/>
                    </dxg:TableView.FormatConditions>
                </dxg:TableView>
            </dxg:GridControl.View>
        </dxg:GridControl>

    </Grid>
</Window>

using System.ComponentModel.DataAnnotations;
using System.Linq;

namespace ConditionalFormatting {
    public class ConditionalFormattingViewModel {
        public ConditionalFormattingViewModel() {
            Items = SaleOverviewDataGenerator.GenerateSales();
        }
        public SaleOverviewData[] Items { get; private set; }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Configuration
Imports System.Data
Imports System.Linq
Imports System.Threading.Tasks
Imports System.Windows

Namespace ConditionalFormatting
    ''' <summary>
    ''' Interaction logic for App.xaml
    ''' </summary>
    Partial Public Class App
        Inherits Application

        Private Sub OnAppStartup_UpdateThemeName(ByVal sender As Object, ByVal e As StartupEventArgs)

            DevExpress.Xpf.Core.ApplicationThemeHelper.UpdateApplicationThemeName()
        End Sub
    End Class
End Namespace

Imports System.ComponentModel.DataAnnotations
Imports System.Linq

Namespace ConditionalFormatting
    Public Class ConditionalFormattingViewModel
        Public Sub New()
            Items = SaleOverviewDataGenerator.GenerateSales()
        End Sub
        Private privateItems As SaleOverviewData()
        Public Property Items() As SaleOverviewData()
            Get
                Return privateItems
            End Get
            Private Set(ByVal value As SaleOverviewData())
                privateItems = value
            End Set
        End Property
    End Class
End Namespace

<Application x:Class="ConditionalFormatting.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             StartupUri="MainWindow.xaml" Startup="OnAppStartup_UpdateThemeName">
    <Application.Resources>
         
    </Application.Resources>
</Application>