using System.Collections.Generic;
using System.Windows.Controls;
using System.Windows.Data;

namespace WpfDataGridComboBoxExample;

internal sealed class ItemViewModel
{
    public string Gender { get; set; } = "Other";
}

internal partial class MainWindow
{
    public MainWindow()
    {
        InitializeComponent();

        CreateColumns();

        MyDataGrid.ItemsSource = new List<ItemViewModel>
        {
            new(),
            new() { Gender = "Man" }
        };
    }

    private void CreateColumns()
    {
        var col = new DataGridComboBoxColumn
        {
            Header = "Gender",
            SelectedValueBinding = new Binding("Gender"),
            ItemsSource = new[] { "Man", "Woman", "Other" }
        };

        MyDataGrid.Columns.Add(col);
    }
}