在WinForms中快速填充多个ComboBoxes的方法

// 假设你有一个ComboBox数组
ComboBox[] comboBoxes = { comboBox1, comboBox2, comboBox3 };

// 假设你有一个数据源列表
List<string> items = new List<string> { "Item1", "Item2", "Item3", "Item4" };

// 循环填充每个ComboBox
foreach (var comboBox in comboBoxes)
{
    comboBox.DataSource = items;
}

// 假设你有一个复杂的数据源
List<Person> people = new List<Person>
{
    new Person { Name = "Alice", Age = 30 },
    new Person { Name = "Bob", Age = 25 },
    new Person { Name = "Charlie", Age = 35 }
};

// 使用LINQ筛选并填充ComboBox
comboBox1.DataSource = people.Where(p => p.Age > 25).Select(p => p.Name).ToList();
comboBox2.DataSource = people.Where(p => p.Age <= 30).Select(p => p.Name).ToList();

private void FillComboBoxesButton_Click(object sender, EventArgs e)
{
    // 假设你有一个数据源列表
    List<string> items = new List<string> { "Item1", "Item2", "Item3", "Item4" };

    // 填充每个ComboBox
    comboBox1.DataSource = items;
    comboBox2.DataSource = items;
    comboBox3.DataSource = items;
}

private async void FillComboBoxesAsyncButton_Click(object sender, EventArgs e)
{
    // 假设你有一个异步方法来获取数据
    List<string> items = await GetDataAsync();

    // 填充每个ComboBox
    comboBox1.DataSource = items;
    comboBox2.DataSource = items;
    comboBox3.DataSource = items;
}

private Task<List<string>> GetDataAsync()
{
    return Task.Run(() =>
    {
        // 模拟从数据库或其他服务获取数据
        return new List<string> { "Item1", "Item2", "Item3", "Item4" };
    });
}