问一下关于wpf中grid绑定的问题

Question

//前台：
 <ComboBox Name="combobox" Width="120" Height="30"/>
//后台：
public test5()
        {
            InitializeComponent();            Dictionary<int, string> mydic = new Dictionary<int, string>()
            {
                {1,"a"},
                {2,"b"},
                {3,"c"}
            };
            combobox.ItemsSource = mydic;
            combobox.SelectedValuePath = "Key";
            combobox.DisplayMemberPath = "Value";
        }
ItemsSource 指定comboBox的数据源，可以是字典，list等任何形式的数据集合
SelectedValuePath 表示每个item的的实际值,DisplayMemberPath 表示每个item的显示值http://zhidao.baidu.com/link?url=EbB0OVjShh9Ua2rfy8jcAF1Q1F5tp8o0mDiw6rAsT4wz7FhKpeUYUf21MeEiadc2-U7eBur-zNwRFJS3AuADjq

Answer 1

我的意思是grid的某列绑定books类,而这个类是属于stu的

Answer 2

前台
    <Window.Resources>
        <DataTemplate x:Key="CbbBook">
            <ComboBox Width="80" x:Name="BookCbb" Margin="-10,0,-10,0" ItemsSource="{Binding Path=books}" SelectedValuePath="bookid" DisplayMemberPath="bookname" ></ComboBox>
        </DataTemplate>
    </Window.Resources>
    <Grid>
        <DataGrid Name="dataGrid" CanUserAddRows="False" AutoGenerateColumns="False">
            <DataGrid.Columns>
                <DataGridTextColumn MinWidth="150" Header="NAME" Binding="{Binding Path=name }"  />
                <DataGridTextColumn MinWidth="150" Header="ID" Binding="{Binding Path=id }"  />
                <DataGridTemplateColumn MinWidth="84"  Header="书" CellTemplate="{StaticResource CbbBook}"  />
            </DataGrid.Columns>
        </DataGrid>
    </Grid>
后台
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(MainWindow_Loaded);
        }        void MainWindow_Loaded(object sender, RoutedEventArgs e)
        {
            List<stu> stu = new List<stu>();
            stu row1 = new stu();
            row1.name = "书籍1";
            row1.id = "1";
            List<book> book1 = new List<book>();
            book item1 = new book();
            item1.bookid = "1";
            item1.bookname = "书1";
            book item2 = new book();
            item2.bookid = "2";
            item2.bookname = "书2";
            book1.Add(item1);
            book1.Add(item2);            row1.books = book1;            stu.Add(row1);            dataGrid.ItemsSource = stu;        }    }
    public class stu
    {
        public string name { get; set; }
        public string id { get; set; }
        public List<book> books { get; set; }
    }
    public class book
    {
        public string bookname { get; set; }
        public string bookid { get; set; }
    }

Answer 3

<DataGridTemplateColumn Header="N" Width="*">
                        <DataGridTemplateColumn.CellTemplate>
                            <DataTemplate>
                                <ComboBox ItemsSource="{Binding BookCollection}" DisplayMemberPath="Name"></ComboBox>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellTemplate>
                    </DataGridTemplateColumn>

Answer 4

我用的是dev的gridcontrol,里面没有DataGridTemplateColumn 啊

Answer 5

出了个新问题
现在我能把值绑到combobox上了,可是选中某一项后,鼠标再点击别的地方,conbobox里的值就会被清空,这是怎么回事啊