c# treeview如何進(jìn)行數(shù)據(jù)綁定

c#
小樊
81
2024-11-19 03:05:32

在C#中，使用WinForms或WPF時(shí)，可以通過(guò)以下方法將數(shù)據(jù)綁定到TreeView控件：

  1. WinForms:

首先，創(chuàng)建一個(gè)類作為數(shù)據(jù)源。例如，我們創(chuàng)建一個(gè)名為Employee的類：

public class Employee
{
    public int Id { get; set; }
    public string Name { get; set; }
    public string Department { get; set; }
}

接下來(lái)，創(chuàng)建一個(gè)BindingList<Employee>并將其設(shè)置為T(mén)reeView的數(shù)據(jù)源：

// 創(chuàng)建數(shù)據(jù)源
BindingList<Employee> employees = new BindingList<Employee>();
employees.Add(new Employee { Id = 1, Name = "張三", Department = "技術(shù)部" });
employees.Add(new Employee { Id = 2, Name = "李四", Department = "市場(chǎng)部" });

// 將數(shù)據(jù)源設(shè)置為T(mén)reeView的數(shù)據(jù)源
treeView.DataSource = employees;

// 設(shè)置顯示的列
treeView.Columns.Add("ID", "ID");
treeView.Columns.Add("姓名", "Name");
treeView.Columns.Add("部門(mén)", "Department");
  1. WPF:

首先，創(chuàng)建一個(gè)類作為數(shù)據(jù)源。例如，我們創(chuàng)建一個(gè)名為Employee的類：

public class Employee
{
    public int Id { get; set; }
    public string Name { get; set; }
    public string Department { get; set; }
}

接下來(lái)，創(chuàng)建一個(gè)ObservableCollection<Employee>并將其設(shè)置為T(mén)reeView的數(shù)據(jù)源：

// 創(chuàng)建數(shù)據(jù)源
ObservableCollection<Employee> employees = new ObservableCollection<Employee>();
employees.Add(new Employee { Id = 1, Name = "張三", Department = "技術(shù)部" });
employees.Add(new Employee { Id = 2, Name = "李四", Department = "市場(chǎng)部" });

// 將數(shù)據(jù)源設(shè)置為T(mén)reeView的數(shù)據(jù)源
treeView.ItemsSource = employees;

在WPF中，我們還需要為T(mén)reeView的每個(gè)列設(shè)置DisplayMemberBinding屬性以指定如何顯示數(shù)據(jù)：

// 設(shè)置顯示的列
treeView.Columns.Clear();
treeView.Columns.Add(new GridViewColumn
{
    Header = "ID",
    DisplayMemberBinding = new Binding("Id")
});
treeView.Columns.Add(new GridViewColumn
{
    Header = "姓名",
    DisplayMemberBinding = new Binding("Name")
});
treeView.Columns.Add(new GridViewColumn
{
    Header = "部門(mén)",
    DisplayMemberBinding = new Binding("Department")
});

這樣，數(shù)據(jù)就會(huì)被綁定到TreeView控件上。

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