<pre name="code" class="csharp">/// <summary>
/// 初始化ComboBox
/// </summary>
void InitialComboBox()
{
List<NameValueModel> listKaiDao = EnumHelper.GetEnumsList(typeof(KaiDaoEnum));
listKaiDao.Insert(0,new NameValueModel("",null));
cmboKaiDao.ItemsSource = listKaiDao;
cmboKaiDao.DisplayMemberPath = "Name";
cmboKaiDao.SelectedValuePath = "Value";
cmboKaiDao.SelectedIndex = 0;
List<NameValueModel> listShuaiGua = EnumHelper.GetEnumsList(typeof(DispatchActionEnum));
//listShuaiGua.Insert(0, new NameValueModel("", null));
cmboShuaiGua.ItemsSource = listShuaiGua;
cmboShuaiGua.DisplayMemberPath = "Name";
cmboShuaiGua.SelectedValuePath = "Value";
cmboShuaiGua.SelectedIndex = 0;
}
combobox 报错,在使用 ItemsSource 之前,项集合必须为空,后来定睛一看,原来是我在前台xaml中也写了集合项,
<pre name="code" class="html"><ComboBox x:Name="cmboKaiDao" Width="50" Style="{StaticResource comboBoxStyle}">
<ComboBoxItem>开</ComboBoxItem>
<ComboBoxItem>到</ComboBoxItem>
</ComboBox>
改为
<pre name="code" class="html"><ComboBox x:Name="cmboKaiDao" Width="50" Style="{StaticResource comboBoxStyle}">
</ComboBox>
ok,问题解决