How to delete all the rows at runtime in MAUI DataGrid (SfDataGrid)?

MauiApp1.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31611.283
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiApp1", "MauiApp1\MauiApp1.csproj", "{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+		Release-Xml|Any CPU = Release-Xml|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Release-Xml|Any CPU.ActiveCfg = Release|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Release-Xml|Any CPU.Build.0 = Release|Any CPU
+		{E5E9FFEC-D2A9-4FD5-8B72-A6FF99B09F68}.Release-Xml|Any CPU.Deploy.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {61F7FB11-1E47-470C-91E2-47F8143E1572}
+	EndGlobalSection
+EndGlobal

MauiApp1/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:MauiApp1"
+             x:Class="MauiApp1.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

MauiApp1/App.xaml.cs

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+namespace MauiApp1;
+
+public partial class App : Application
+{
+	public App()
+	{
+		InitializeComponent();
+
+		MainPage = new AppShell();
+	}
+}

MauiApp1/AppShell.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="MauiApp1.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:MauiApp1"
+    Shell.FlyoutBehavior="Disabled">
+
+    <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>

MauiApp1/AppShell.xaml.cs

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+namespace MauiApp1;
+
+public partial class AppShell : Shell
+{
+	public AppShell()
+	{
+		InitializeComponent();
+	}
+}

MauiApp1/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:local="clr-namespace:MauiApp1"
+             xmlns:dataGrid="clr-namespace:Syncfusion.Maui.DataGrid;assembly=Syncfusion.Maui.DataGrid"
+             x:Class="MauiApp1.MainPage">
+    <ContentPage.BindingContext>
+        <local:OrderInfoRepository x:Name="viewModel"/>
+    </ContentPage.BindingContext>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+        <Button Text="Delete All the Rows" Clicked="Delete_All_Button_Clicked" Grid.Row="0" Margin="0,10,0,10"></Button>
+    <dataGrid:SfDataGrid x:Name="dataGrid"
+                         ItemsSource="{Binding OrderInfoCollection}" 
+                         ColumnWidthMode="Auto"
+                         Grid.Row="1"
+                         >
+    </dataGrid:SfDataGrid>
+    </Grid>
+
+</ContentPage>

MauiApp1/MainPage.xaml.cs

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+
+using Syncfusion.Maui.DataGrid;
+using Syncfusion.Maui.Inputs;
+
+namespace MauiApp1
+{
+
+    public partial class MainPage : ContentPage
+    {
+
+        public MainPage()
+        {
+            InitializeComponent();
+
+        }
+
+        private void Delete_All_Button_Clicked(object sender, EventArgs e)
+        {
+            if (viewModel.OrderInfoCollection != null)
+            {
+                viewModel.OrderInfoCollection.Clear();
+            }
+
+        }
+    }
+}
+
+
+

MauiApp1/MauiApp1.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net7.0-android;net7.0-ios;net7.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net7.0-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>$(TargetFrameworks);net6.0-tizen</TargetFrameworks> -->
+		<OutputType>Exe</OutputType>
+		<RootNamespace>MauiApp1</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+
+		<!-- Display name -->
+		<ApplicationTitle>MauiApp1</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.mauiapp1</ApplicationId>
+		<ApplicationIdGuid>07f601bb-4226-41ec-9f54-0051f090ead8</ApplicationIdGuid>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([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.svg" BaseSize="168,208" />
+
+		<!-- 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="Syncfusion.Maui.DataGrid" Version="23.1.43" />
+	</ItemGroup>
+
+</Project>

MauiApp1/MauiProgram.cs

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+namespace MauiApp1;
+using Syncfusion.Maui.Core.Hosting;
+
+public static class MauiProgram
+{
+	public static MauiApp CreateMauiApp()
+	{
+		var builder = MauiApp.CreateBuilder();
+		builder
+			.UseMauiApp<App>()
+			.ConfigureFonts(fonts =>
+			{
+				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+				fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+			});
+
+        builder.ConfigureSyncfusionCore();
+        return builder.Build();
+	}
+}

MauiApp1/Model/OrderInfo.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MauiApp1
+{
+    public class OrderInfo
+    {
+        private int orderID;
+        private string customerID;
+        private string customer;
+        private string shipCity;
+        private string shipCountry;
+        private double price;
+
+        public int OrderID
+        {
+            get { return orderID; }
+            set { this.orderID = value; }
+        }
+
+        public string CustomerID
+        {
+            get { return customerID; }
+            set { this.customerID = value; }
+        }
+
+        public string ShipCountry
+        {
+            get { return shipCountry; }
+            set { this.shipCountry = value; }
+        }
+
+        public string Customer
+        {
+            get { return this.customer; }
+            set { this.customer = value; }
+        }
+
+        public string ShipCity
+        {
+            get { return shipCity; }
+            set { this.shipCity = value; }
+        }
+
+        public double  Price
+        {
+            get { return price; }
+            set { this.price = value; }
+        }
+
+        public OrderInfo(int orderId, string customer, string country,  string customerId, string shipCity, double price)
+        {
+            this.OrderID = orderId;
+            this.Customer = customer;
+            this.ShipCountry = country;
+            this.CustomerID = customerId;
+            this.ShipCity = shipCity;
+            this.Price = price;
+        }
+    }
+}

MauiApp1/Platforms/Android/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.INTERNET" />
+</manifest>

MauiApp1/Platforms/Android/MainActivity.cs

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+using Android.App;
+using Android.Content.PM;
+
+namespace MauiApp1;
+
+[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+public class MainActivity : MauiAppCompatActivity
+{
+}

MauiApp1/Platforms/Android/MainApplication.cs

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+using Android.App;
+using Android.Runtime;
+
+namespace MauiApp1;
+
+[Application]
+public class MainApplication : MauiApplication
+{
+	public MainApplication(IntPtr handle, JniHandleOwnership ownership)
+		: base(handle, ownership)
+	{
+	}
+
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}

MauiApp1/Platforms/Android/Resources/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#512BD4</color>
+    <color name="colorPrimaryDark">#2B0B98</color>
+    <color name="colorAccent">#2B0B98</color>
+</resources>

MauiApp1/Platforms/MacCatalyst/AppDelegate.cs

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+using Foundation;
+
+namespace MauiApp1;
+
+[Register("AppDelegate")]
+public class AppDelegate : MauiUIApplicationDelegate
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}

MauiApp1/Platforms/MacCatalyst/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>1</integer>
+		<integer>2</integer>
+	</array>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>XSAppIconAssets</key>
+	<string>Assets.xcassets/appicon.appiconset</string>
+</dict>
+</plist>

MauiApp1/Platforms/MacCatalyst/Program.cs

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+using ObjCRuntime;
+using UIKit;
+
+namespace MauiApp1;
+
+public class Program
+{
+	// This is the main entry point of the application.
+	static void Main(string[] args)
+	{
+		// if you want to use a different Application Delegate class from "AppDelegate"
+		// you can specify it here.
+		UIApplication.Main(args, null, typeof(AppDelegate));
+	}
+}

MauiApp1/Platforms/Tizen/Main.cs

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+using System;
+using Microsoft.Maui;
+using Microsoft.Maui.Hosting;
+
+namespace MauiApp1;
+
+class Program : MauiApplication
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+
+	static void Main(string[] args)
+	{
+		var app = new Program();
+		app.Run(args);
+	}
+}