问题描述
我一直在尝试显示句子的方式,如果AutoSuggestionBox下拉菜单中没有显示建议,它将在下拉菜单中显示“无建议”,并且在下拉菜单中获得新建议时会消失
前面的XAML代码没什么特别的
<AutoSuggestBox PlaceholderText="What do you want to eat?" QueryIcon="Find" Name="MainSearchBar"
TextChanged="AutoSuggestBox_TextChanged"
QuerySubmitted="AutoSuggestBox_QuerySubmitted"
SuggestionChosen="AutoSuggestBox_SuggestionChosen" Grid.ColumnSpan="3" Height="38" Margin="47,42,187,0"/>
XAML CS代码
private void AutoSuggestBox_TextChanged(AutoSuggestBox sender,AutoSuggestBoxTextChangedEventArgs args)
{
WarningPopup.IsOpen = false;
if (sender.Text.Length > 2)
{
if (args.Reason == AutoSuggestionBoxTextChangeReason.UserInput)
{
suggestionListTest = _nameList.Where(x => x.StartsWith(sender.Text)).ToList();
sender.ItemsSource = suggestionListTest;
}
}
else
{
sender.ItemsSource = new string[] { "No Suggestions Available" };
}
}
解决方法
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