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Code changes regarding serialize custom column in dataGrid
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‎SfDataGridSample/SfDataGridSample.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.12.35506.116
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SfDataGridSample", "SfDataGridSample\SfDataGridSample.csproj", "{EEB0310E-49AF-4663-87C2-E585EEFE9E5E}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{EEB0310E-49AF-4663-87C2-E585EEFE9E5E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{EEB0310E-49AF-4663-87C2-E585EEFE9E5E}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{EEB0310E-49AF-4663-87C2-E585EEFE9E5E}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{EEB0310E-49AF-4663-87C2-E585EEFE9E5E}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

‎SfDataGridSample/SfDataGridSample/App.xaml‎

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

‎SfDataGridSample/SfDataGridSample/App.xaml.cs‎

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

‎SfDataGridSample/SfDataGridSample/AppShell.xaml‎

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

‎SfDataGridSample/SfDataGridSample/AppShell.xaml.cs‎

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

‎SfDataGridSample/SfDataGridSample/MainPage.xaml‎

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<?xml version="1.0" encoding="utf-8" ?>
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<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:syncfusion="clr-namespace:Syncfusion.Maui.DataGrid;assembly=Syncfusion.Maui.DataGrid"
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xmlns:local="clr-namespace:SfDataGridSample"
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x:Class="SfDataGridSample.MainPage">
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<ContentPage.BindingContext>
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<local:EmployeeViewModel x:Name="viewModel" />
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</ContentPage.BindingContext>
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<Grid ColumnDefinitions="*,300"
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RowDefinitions="Auto,Auto">
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<syncfusion:SfDataGrid x:Name="dataGrid"
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Grid.Column="0"
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Grid.Row="0"
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AllowGroupExpandCollapse="True"
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ColumnWidthMode="Auto"
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GridLinesVisibility="Both"
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HeaderGridLinesVisibility="Both"
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AutoGenerateColumnsMode="None"
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ItemsSource="{Binding Employees}">
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<syncfusion:SfDataGrid.Columns>
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<syncfusion:DataGridNumericColumn MappingName="EmployeeID"
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HeaderText="Employee ID" />
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<syncfusion:DataGridTextColumn MappingName="Title"
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HeaderText="Designation" />
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<syncfusion:DataGridDateColumn MappingName="HireDate"
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HeaderText="Hire Date" />
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<local:TextImageColumn MappingName="Title" />
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</syncfusion:SfDataGrid.Columns>
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</syncfusion:SfDataGrid>
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<syncfusion:SfDataGrid x:Name="dataGrid1"
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Grid.Column="0"
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Grid.Row="1"
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ItemsSource="{Binding Employees}">
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</syncfusion:SfDataGrid>
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<VerticalStackLayout Grid.Column="1">
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<Grid RowDefinitions="80,80">
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<Button Text="Serialize"
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Grid.Row="0"
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Margin="0,0,0,20"
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WidthRequest="150"
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Clicked="Button_Clicked" />
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<Button Text="Deserialize"
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Grid.Row="1"
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Margin="0,20,0,0"
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WidthRequest="150"
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Clicked="Button_Clicked_1" />
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</Grid>
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</VerticalStackLayout>
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</Grid>
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</ContentPage>

‎SfDataGridSample/SfDataGridSample/MainPage.xaml.cs‎

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using Syncfusion.Maui.DataGrid;
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using static SfDataGridSample.TextImageColumn;
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using System.Globalization;
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using System.Reflection;
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using System.Runtime.Serialization;
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namespace SfDataGridSample
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{
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public partial class MainPage : ContentPage
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{
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public MainPage()
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{
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InitializeComponent();
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dataGrid.CellRenderers.Add("TextImage", new TextImageColumnRenderer());
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dataGrid1.CellRenderers.Add("TextImage", new TextImageColumnRenderer());
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dataGrid.SerializationController = new SerializationControllerCustomExt(dataGrid);
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dataGrid1.SerializationController = new SerializationControllerCustomExt(dataGrid1);
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}
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private void Button_Clicked(object sender, EventArgs e)
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{
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string localPath = Path.Combine(FileSystem.AppDataDirectory, "DataGrid.xml");
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using (var file = File.Create(localPath))
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{
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dataGrid.Serialize(file);
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}
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}
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private void Button_Clicked_1(object sender, EventArgs e)
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{
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string localPath = Path.Combine(FileSystem.AppDataDirectory, "DataGrid.xml");
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using (var file = File.Open(localPath, FileMode.Open))
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{
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dataGrid1.Deserialize(file);
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}
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}
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}
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[DataContract(Name = "SerializableCustomGridColumn")]
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public class SerializableCustomGridColumn : SerializableDataGridColumn
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{
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[DataMember]
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public string? DateMappingName { get; set; }
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}
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public class SerializationControllerCustomExt : DataGridSerializationController
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{
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public SerializationControllerCustomExt(SfDataGrid sfGrid) : base(sfGrid) { }
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protected override SerializableDataGridColumn GetSerializableColumn(DataGridColumn column)
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{
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if (column is TextImageColumn)
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{
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return new SerializableCustomGridColumn();
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}
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return base.GetSerializableColumn(column);
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}
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protected override void StoreColumnProperties(DataGridColumn column, SerializableDataGridColumn serializableColumn)
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{
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base.StoreColumnProperties(column, serializableColumn);
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if (column is TextImageColumn textImageColumn && serializableColumn is SerializableCustomGridColumn customColumn)
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{
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customColumn.DateMappingName = textImageColumn.MappingName;
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}
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}
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protected override DataGridColumn GetColumn(SerializableDataGridColumn serializableColumn)
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{
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if (serializableColumn is SerializableCustomGridColumn)
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{
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return new TextImageColumn();
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}
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return base.GetColumn(serializableColumn);
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}
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protected override void RestoreColumnProperties(SerializableDataGridColumn serializableColumn, DataGridColumn column)
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{
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base.RestoreColumnProperties(serializableColumn, column);
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if (column is TextImageColumn textImageColumn && serializableColumn is SerializableCustomGridColumn customColumn)
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{
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if (!string.IsNullOrEmpty(customColumn.DateMappingName))
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textImageColumn.MappingName = customColumn.DateMappingName;
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}
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}
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public override Type[] KnownTypes()
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{
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var types = base.KnownTypes().ToList();
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types.Add(typeof(SerializableCustomGridColumn));
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return types.ToArray();
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}
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}
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}

‎SfDataGridSample/SfDataGridSample/MauiProgram.cs‎

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using Microsoft.Extensions.Logging;
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using Syncfusion.Maui.Core.Hosting;
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namespace SfDataGridSample
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{
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public static class MauiProgram
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{
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public static MauiApp CreateMauiApp()
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{
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var builder = MauiApp.CreateBuilder();
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builder
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.UseMauiApp<App>()
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.ConfigureSyncfusionCore()
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.ConfigureFonts(fonts =>
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{
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fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
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fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
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});
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#if DEBUG
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builder.Logging.AddDebug();
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#endif
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return builder.Build();
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}
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}
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}

‎SfDataGridSample/SfDataGridSample/Model/Employee.cs‎

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using System.ComponentModel;
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namespace SfDataGridSample
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{
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public class Employee : INotifyPropertyChanged
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{
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private int? _employeeID;
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private string? _name;
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private long _iDNumber;
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private int _contactID;
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private string? _loginID;
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private int _managerID;
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private string? _title;
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private DateTime _birthDate;
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private string? _maritalStatus;
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private string? _gender;
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private DateTime _hireDate;
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private int _sickLeaveHours;
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private double _salary;
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private bool _employeeStatus;
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private int _rating;
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private bool _isButtonVisible;
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public int? EmployeeID
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{
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get { return _employeeID; }
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set { _employeeID = value; OnPropertyChanged(nameof(EmployeeID)); }
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}
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public string? Name
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{
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get { return _name; }
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set { _name = value; OnPropertyChanged(nameof(Name)); }
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}
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public long IDNumber
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{
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get { return _iDNumber; }
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set { _iDNumber = value; OnPropertyChanged(nameof(IDNumber)); }
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}
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public string? Title
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{
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get { return _title; }
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set { _title = value; OnPropertyChanged(nameof(Title)); }
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}
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public int ContactID
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{
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get { return _contactID; }
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set { _contactID = value; OnPropertyChanged(nameof(ContactID)); }
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}
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public DateTime BirthDate
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{
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get { return _birthDate; }
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set { _birthDate = value; OnPropertyChanged(nameof(BirthDate)); }
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}
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public string? MaritalStatus
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{
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get { return _maritalStatus; }
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set { _maritalStatus = value; OnPropertyChanged(nameof(MaritalStatus)); }
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}
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public string? Gender
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{
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get { return _gender; }
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set { _gender = value; OnPropertyChanged(nameof(Gender)); }
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}
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public DateTime HireDate
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{
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get { return _hireDate; }
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set { _hireDate = value; OnPropertyChanged(nameof(HireDate)); }
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}
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public int SickLeaveHours
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{
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get { return _sickLeaveHours; }
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set { _sickLeaveHours = value; OnPropertyChanged(nameof(SickLeaveHours)); }
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}
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public double Salary
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{
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get { return _salary; }
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set { _salary = value; OnPropertyChanged(nameof(Salary)); }
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}
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public string? LoginID
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{
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get { return _loginID; }
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set { _loginID = value; OnPropertyChanged(nameof(LoginID)); }
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}
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public int ManagerID
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{
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get { return _managerID; }
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set { _managerID = value; OnPropertyChanged(nameof(ManagerID)); }
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}
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public bool EmployeeStatus
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{
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get { return _employeeStatus; }
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set { _employeeStatus = value; OnPropertyChanged(nameof(EmployeeStatus)); }
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}
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public int Rating
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{
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get { return _rating; }
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set { _rating = value; OnPropertyChanged(nameof(Rating)); }
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}
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public bool IsButtonVisible
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{
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get { return _isButtonVisible; }
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set { _isButtonVisible = value; OnPropertyChanged(nameof(IsButtonVisible)); }
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}
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public event PropertyChangedEventHandler? PropertyChanged;
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protected void OnPropertyChanged(string propertyName)
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{
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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}
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}

‎SfDataGridSample/SfDataGridSample/Platforms/Android/AndroidManifest.xml‎

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

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