Question

我想获取包含searchtext的Item。 Lisview应该在带有movieTitle的列表视图中向我展示包含searchtext的项目（文本）。我有这个网格：

<Grid x:Name="GridSearchMovie" Grid.Row="2" Visibility="Hidden" Background="White">
        <Grid.RowDefinitions>
            <RowDefinition Height="25"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <TextBox x:Name="txtSearchMovie" TextChanged="txtSearch_TextChanged"/>
        <ListView x:Name="lvSearchMovie" Grid.Row="1">
            <ListView.ItemTemplate>
                <DataTemplate>
                    <WrapPanel>
                        <TextBlock Text="{Binding movieTitle}"/>
                    </WrapPanel>
                </DataTemplate>
            </ListView.ItemTemplate>
            <ListView.ItemContainerStyle>
                <Style TargetType="ListViewItem">
                    <Setter Property="Height" Value="50"/>
                </Style>
            </ListView.ItemContainerStyle>
        </ListView>
    </Grid>

我在文本框中输入一个单词，Lisview显示包含Textbox.Text的项目。以下是搜索代码：

lvSearchMovie.ItemsSource = Movies;

            TextBox t = (TextBox)sender;
            string Filter = txtSearchMovie.Text;
            ICollectionView cv = CollectionViewSource.GetDefaultView(lvMovies.ItemsSource);
            cv.Filter = o =>
                {
                    Movie m = o as Movie;
                    return (m.movieTitle.ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieDirector.ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieActor.ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieGenre.ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieTime.ToString().ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieDate.ToString().ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieStudio.ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieFSK.ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieRating.ToUpper().Contains(Filter.ToUpper()) ||
                        m.movieSeenTo.ToUpper().Contains(Filter.ToUpper()));
                };

我想将一个Textblock添加到Listview Item WrapPanel，它显示Contains Word。我如何得到这个单词，其中包含Textbox.Text？

电影课程：

public class Movie
{
    public int movieID;
    public string moviePicture;
    public string movieTitle {get; set;}
    public string movieDirector;
    public string movieActor;
    public string movieGenre;
    public string movieTime;
    public string movieDate;
    public string movieStudio;
    public string movieFSK;
    public string movieRating;
 }

列出电影：

List<Movie> Movies = new List<Movie>();

Answer 1

确定第一步是将列表更改为可观察集合，因为列表不会更新您的UI。试试这个：

ObservableCollection<Movie> Movies = new ObservableCollection<Movie>();

现在只需将其添加到您想要的任何事件中。

            foreach (var item in cv)
            {
              if (cv.Any(x => m.movieTitle.ToUpper() == Filter.ToUpper()  )
                 { item.movieTitle = txtSearchMovie.Text;}
              if (cv.Any(x => m.movieDirector.ToUpper() == Filter.ToUpper()  )
                 { item.movieDirector = txtSearchMovie.Text;}
              if (cv.Any(x => m.movieActor.ToUpper() == Filter.ToUpper()  )
                 { item.movieActor = txtSearchMovie.Text;}
              if (cv.Any(x => m.movieGenre.ToUpper() == Filter.ToUpper()  )
                 { item.movieGenre = txtSearchMovie.Text;}
              Movies.Add(item);
            }

如何选择包含文本框的项目。从文本框搜索到ListView

1 个答案: