C# 设置listbox WPF的选定值
我最初在C# 设置listbox WPF的选定值,c#,wpf,listbox,C#,Wpf,Listbox,我最初在列表框中添加了一些字符串对象,然后我想设置所选的项目: List <string> CustName = new List<string>(); ....///add items to CustName///... listBox1.ItemsSource = CustName; string selection = "myselection" ///this string is contained in CustName listBo
列表框中添加了一些字符串对象,然后我想设置所选的项目:
List <string> CustName = new List<string>();
....///add items to CustName///...
listBox1.ItemsSource = CustName;
string selection = "myselection" ///this string is contained in CustName
listBox1.SelectedValue = selection;
List CustName=new List();
....///将项目添加到CustName//。。。
listBox1.ItemsSource=CustName;
string selection=“myselection”///此字符串包含在CustName中
listBox1.SelectedValue=选择;
但是,如果上述操作不起作用,则所选项目是列表框的第一个项目,而不是我试图设置的项目 XAML:
<Grid>
<ListBox HorizontalAlignment="Left" Name="listBox1" Height="100" Margin="310,172,0,0" VerticalAlignment="Top" Width="100"/>
</Grid>
code隐藏.cs
public MainWindow()
{
InitializeComponent();
List<string> CustName = new List<string>();
CustName.Add("test1");
CustName.Add("test2");
CustName.Add("myselection");
listBox1.ItemsSource = CustName;
string selection = "myselection";
listBox1.SelectedItem = selection;
}
public主窗口()
{
初始化组件();
List CustName=新列表();
CustName.Add(“test1”);
CustName.Add(“test2”);
客户名称。添加(“我的选择”);
listBox1.ItemsSource=CustName;
字符串选择=“myselection”;
listBox1.SelectedItem=选择;
}
为什么不使用像这样的绑定呢。
XAML:
如果要在代码中手动设置SelectedItem,只需执行MySelectedItem=yourItem
别忘了设置listbox的数据源并实现INotifyPropertChanged这是我修复的打字错误…我也尝试过SelectedItem,但没有result@apomene检查修改后的答案您是否尝试了列表框1.SelectedIndex=indexOfMySelection
?
<ListBox ItemsSource={Binding CustName} SelectedItem={Binding MySelectedItem} />
private string mySelectedItem;
public string MySelectedItem
{
get{return mySelectedItem;}
set
{
mySelectedItem=value;
RaisePropertyChanged("MySelectedItem");
}