问题描述
我的模型如下所示:
public class TaskFrequency
{
public int Id { get; set; }
public string FrequencyString { get; set; }
public eFrequency Frequency { get; set; }
}
然后我尝试了以下但没有奏效: ItemdisplayBinding = new Binding("FrequencyString");
我知道 ItemdisplayBinding 属于 BindingBase 类。当我在 XAML 中设置它时,它工作正常。
解决方法
我制作了一个代码示例供您参考。
xml:
<Picker
x:Name="picker"
Title="Select ....."
ItemsSource="{Binding taskFrequencies}"
TitleColor="Red" />
背后的代码:
public ObservableCollection<TaskFrequency> taskFrequencies { get; set; }
public PickerPage()
{
InitializeComponent();
taskFrequencies = new ObservableCollection<TaskFrequency>()
{
new TaskFrequency{ FrequencyString="FrequencyString1",Id=1 },new TaskFrequency{ FrequencyString="FrequencyString2",Id=2 },new TaskFrequency{ FrequencyString="FrequencyString3",Id=3},};
picker.ItemDisplayBinding = new Binding("FrequencyString");
this.BindingContext = this;
}
型号:
public class TaskFrequency
{
public int Id { get; set; }
public string FrequencyString { get; set; }
//public eFrequency Frequency { get; set; }
}
像下面这样使用 Bindbase 对我有用。
picker.ItemDisplayBinding = new Binding("FrequencyString");
截图: