Prepared DataGrid sample and read me file

DataGridSample/DataGridSample.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35521.163 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataGridSample", "DataGridSample\DataGridSample.csproj", "{8FA002B2-54EA-4E89-B3EF-4A0E520EB3CD}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{8FA002B2-54EA-4E89-B3EF-4A0E520EB3CD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8FA002B2-54EA-4E89-B3EF-4A0E520EB3CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8FA002B2-54EA-4E89-B3EF-4A0E520EB3CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8FA002B2-54EA-4E89-B3EF-4A0E520EB3CD}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

DataGridSample/DataGridSample/App.xaml

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+<?xml version = "1.0" encoding = "UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:DataGridSample"
+             x:Class="DataGridSample.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

DataGridSample/DataGridSample/App.xaml.cs

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+namespace DataGridSample
+{
+    public partial class App : Application
+    {
+        public App()
+        {
+            InitializeComponent();
+        }
+
+        protected override Window CreateWindow(IActivationState? activationState)
+        {
+            return new Window(new AppShell());
+        }
+    }
+}

DataGridSample/DataGridSample/AppShell.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="DataGridSample.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:DataGridSample"
+    Shell.FlyoutBehavior="Flyout"
+    Title="DataGridSample">
+
+    <ShellContent
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>

DataGridSample/DataGridSample/AppShell.xaml.cs

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+namespace DataGridSample
+{
+    public partial class AppShell : Shell
+    {
+        public AppShell()
+        {
+            InitializeComponent();
+        }
+    }
+}

DataGridSample/DataGridSample/CellStyleConverter.cs

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+using Syncfusion.Maui.DataGrid;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataGridSample
+{
+    public class CellStyleConverter : IValueConverter
+    {
+        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+        {
+            var rowType = ((value as DataGridIndentCell)?.Parent as DataGridRow)?.DataRow?.RowType.ToString();
+            if(rowType == "HeaderRow")
+            {
+                return Colors.Coral;
+            }
+            else if(rowType == "CaptionCoveredRow")
+            {
+                return Colors.SteelBlue;
+            }
+            else
+            {
+                return Colors.PowderBlue;
+            }
+        }
+
+        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        {
+           return null;
+        }
+    }
+}

DataGridSample/DataGridSample/DataGridSample.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net9.0-android;net9.0-ios;net9.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.19041.0</TargetFrameworks>
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net9.0-tizen</TargetFrameworks> -->
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
+		<OutputType>Exe</OutputType>
+		<RootNamespace>DataGridSample</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+
+		<!-- Display name -->
+		<ApplicationTitle>DataGridSample</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.datagridsample</ApplicationId>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<!-- To develop, package, and publish an app to the Microsoft Store, see: https://aka.ms/MauiTemplateUnpackaged -->
+		<WindowsPackageType>None</WindowsPackageType>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">15.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">15.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Maui.Controls" Version="9.0.21" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="9.0.0" />
+		<PackageReference Include="Syncfusion.Maui.DataGrid" Version="*" />
+	</ItemGroup>
+
+</Project>

DataGridSample/DataGridSample/GroupConverter.cs

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+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataGridSample
+{
+    public class GroupConverter : IValueConverter
+    {
+        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+        {
+            var orderInfo = value as OrderInfo;
+            if(orderInfo.Freight > 0 && orderInfo.Freight <= 250)
+            {
+                return "<=250";
+            }
+            else if(orderInfo.Freight > 250 && orderInfo.Freight <= 500)
+            {
+                return ">250 & <=500";
+            }
+            else if(orderInfo.Freight > 500 &&  orderInfo.Freight <= 750)
+            {
+                return ">500 & <=750";
+            }
+            else
+            {
+                return ">1000";
+            }
+        }
+
+        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        {
+           return null;
+        }
+    }
+}

DataGridSample/DataGridSample/MainPage.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:datagrid="clr-namespace:Syncfusion.Maui.DataGrid;assembly=Syncfusion.Maui.DataGrid"
+             xmlns:local="clr-namespace:DataGridSample"
+             x:Class="DataGridSample.MainPage">
+
+    <ContentPage.BindingContext>
+        <local:OrderInfoViewModel/>
+    </ContentPage.BindingContext>
+
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <local:CellStyleConverter x:Key="cellStyleConverter"/>
+            <Style TargetType="datagrid:DataGridIndentCell">
+                <Setter Property="Background"
+                        Value="{Binding Source={RelativeSource Mode=Self},
+                        Converter={StaticResource Key=cellStyleConverter}}">
+                </Setter>
+            </Style>
+            <local:GroupConverter x:Key="groupConverter"/>
+        </ResourceDictionary>
+    </ContentPage.Resources>
+
+    <datagrid:SfDataGrid x:Name="dataGrid"
+                         ItemsSource="{Binding OrdersInfo}"
+                         IndentColumnWidth="60"
+                         GroupingMode="Multiple"
+                         AllowGroupExpandCollapse="True">
+        <datagrid:SfDataGrid.GroupColumnDescriptions>
+            <datagrid:GroupColumnDescription ColumnName="Freight"
+                                             Converter="{StaticResource groupConverter}"/>
+        </datagrid:SfDataGrid.GroupColumnDescriptions>
+    </datagrid:SfDataGrid>
+
+</ContentPage>