如何在源数据发生变化时更新数据绑定combobox？

我正在为Windows 8开发一个C＃Metro风格的应用程序，当我的数据绑定combobox在源数据发生变化时更新时，我遇到了问题。

这是数据源：

public class Range { public string range_name { get; set; } public string range_description { get; set; } public int min { get; set; } public int max { get; set; } } static List ranges = new List { new Range { range_name = "Foo", range_description = "Foo: (0-10)", min = 0, max = 10}, new Range { range_name = "Bar", range_description = "Bar: (5-15)", min = 5, max = 15}, new Range { range_name = "Baz", range_description = "Baz: (10-20)", min = 10, max = 20}, new Range { range_name = "Custom", range_description = "Custom: (0-20)", min = 0, max = 20} }; 

和combobox：

用户可以在应用程序中操作“自定义”范围的最小/最大范围范围，但combobox仅在我更改远离该记录然后更改回“自定义”时更新。

当源数据发生变化时，我需要做什么来强制实时更新combobox？

谢谢

Answer 1

尝试在Range类中实现INotifyPropertyChanged ：

 public class Range : INotifyPropertyChanged { // Declare the event public event PropertyChangedEventHandler PropertyChanged; private string _range_name; private string _range_description; private int _min; private int _max; public string range_name { get { return this._range_name; } set { _range_name = value; OnPropertyChanged("range_name"); } // Call OnPropertyChanged whenever the property is updated } public string range_description { get { return this._range_description; } set { _range_description = value; OnPropertyChanged("range_description"); } } public int min { get { return this._min; } set { _min=value; OnPropertyChanged("min"); } } public int max { get { return this._max; } set { _max = value; OnPropertyChanged("max"); } } // Create the OnPropertyChanged method to raise the event protected void OnPropertyChanged(string name) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) { handler(this, new PropertyChangedEventArgs(name)); } } } 

希望能帮助到你 ;）