在WPF中实现带CheckBox的ComboBox控件,让ComboBox控件可以支持多选. 将ComboBox的ItemsSource属性Binding到一个Book的集合, public class Book { public string Name { get; set; } } <ComboBox ItemsSource="{Binding Path=Books}"> <ComboBox.ItemTemplate> <DataTemplate Da
原文:WPF使用IDataErrorInfo接口进行数据校验 - 简书 class ValidationBindableBase : BindableBase, IDataErrorInfo { public string this[string columnName] { get { if (_errorMap.ContainsKey(columnName)) { var error = _errorMap[columnName]; _errorMap.Remove(columnName);
var MergeAction = new Ext.Action({ text: '合并(选中两行)', handler: function () { if (grid.getSelectionModel().hasSelection()) { var records = grid.getSelectionModel().getSelections();//获取选中的项 var count = records.length;//选中项的条数 if (count != 2) { Ext.Msg.a