Collectionviewsource数据网格WPF MVVM不显示行

Collectionviewsource数据网格WPF MVVM不显示行,wpf,mvvm,data-binding,datagrid,collectionviewsource,Wpf,Mvvm,Data Binding,Datagrid,Collectionviewsource,我是WPF和MVVM的新手。我试图在我的项目中使用Datagrid和Collectionviewsource。我已经达到了如下的水平,但是我的Datagrid没有显示任何行。下面是代码部分。我想知道我在这里错过了什么。请注意,我只发布了解决此问题所必需的代码部分 ScanBatchWindow.xaml.cs public partial class ScanBatchWindow : Window { public ScanBatchWindow() { Ini

我是WPF和MVVM的新手。我试图在我的项目中使用Datagrid和Collectionviewsource。我已经达到了如下的水平,但是我的Datagrid没有显示任何行。下面是代码部分。我想知道我在这里错过了什么。请注意,我只发布了解决此问题所必需的代码部分

ScanBatchWindow.xaml.cs

public partial class ScanBatchWindow : Window
{
    public ScanBatchWindow()
    {
        InitializeComponent();
        ScanBatchViewModel pMV = new ScanBatchViewModel();
        this.DataContext = pMV;
    }
}
ScanBatchWindow.xaml

<Window x:Class="BatchManPOC.ScanBatchWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:local="clr-namespace:BatchManPOC"
    xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
    xmlns:cmdBehavior="clr-namespace:BatchManPOC.CmdBehavior"
    xmlns:video="clr-namespace:BatchManPOC.Video"
    xmlns:Custom="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    mc:Ignorable="d"
    Title="ScanBatchWindow" 
    Height="800"
    Width="800">
<Window.Resources>
    <CollectionViewSource Source="{Binding p_ListBatches}" x:Key="CVS"/>
</Window.Resources>
     <Grid>
         <Grid.RowDefinitions>
               <RowDefinition/>
         </Grid.RowDefinitions>
              <Custom:DataGrid ItemsSource="{Binding Source={StaticResource CVS}}" Margin="8" Grid.Row="0" AutoGenerateColumns="True"  IsReadOnly="True">
</Custom:DataGrid>
        </Grid>
</Window>

ScanBatchViewModel.cs

public partial class ScanBatchWindow : Window
{
    public ScanBatchWindow()
    {
        InitializeComponent();
        ScanBatchViewModel pMV = new ScanBatchViewModel();
        this.DataContext = pMV;
    }
}
请注意,我有一个BaseViewModel,它继承自INotifyPropertyChanged

    public class ScanBatchViewModel : BaseViewModel
    {
        public CollectionViewSource CVS { get; set; }
        public ObservableCollection<Batch> p_ListBatches { get; set; }

        public class Batch
        {
            public DateTime p_dCreated;
            public int p_iReference;
            public BatchStatus p_iBatchStatus;
            public string p_sFromBranch;
        }

        /// <summary>
        /// Initializes a new instance of the ScanBatchViewModel class.
        /// </summary>
        public ScanBatchViewModel()
        {
            LoadBatches();
            CVS = new CollectionViewSource();
        }

        public void LoadBatches()
        {
            //Add sample objects
            p_ListBatches.Add(new Batch() { p_dCreated = DateTime.Now, p_iBatchStatus = BatchStatus.DOC_STATUS_CREATED, p_iReference = 1, p_sFromBranch = "7010888" });
            p_ListBatches.Add(new Batch() { p_dCreated = DateTime.Now, p_iBatchStatus = BatchStatus.DOC_STATUS_DELETED, p_iReference = 2, p_sFromBranch = "7010999" });
            p_ListBatches.Add(new Batch() { p_dCreated = DateTime.Now, p_iBatchStatus = BatchStatus.DOC_STATUS_RECEIVED, p_iReference = 3, p_sFromBranch = "7010000" });
            p_ListBatches.Add(new Batch() { p_dCreated = DateTime.Now, p_iBatchStatus = BatchStatus.DOC_STATUS_SENT, p_iReference = 4, p_sFromBranch = "7010777" });
        }
    }
公共类ScanBatchViewModel:BaseViewModel
{
public CollectionViewSource CVS{get;set;}
公共可观测集合p_listbacks{get;set;}
公共类批处理
{
已创建公共日期时间p_;
公共国际参考;
公共状态p_iBatchStatus;
来自分支的公共字符串p_;
}
/// 
///初始化ScanBatchViewModel类的新实例。
/// 
公共ScanBatchViewModel()
{
LoadBatches();
CVS=新的CollectionViewSource();
}
公共void LoadBatches()
{
//添加示例对象
p_listbacks.Add(new Batch(){p_dCreated=DateTime.Now,p_iBatchStatus=BatchStatus.DOC_STATUS_CREATED,p_irereference=1,p_sFromBranch=“7010888”});
p_listbacks.Add(new Batch(){p_dCreated=DateTime.Now,p_iBatchStatus=BatchStatus.DOC_STATUS_DELETED,p_irereference=2,p_sFromBranch=“7010999”});
p_listbacks.Add(new Batch(){p_dCreated=DateTime.Now,p_iBatchStatus=BatchStatus.DOC_STATUS_RECEIVED,p_irereference=3,p_sFromBranch=“7010000”});
p_listbacks.Add(new Batch(){p_dCreated=DateTime.Now,p_iBatchStatus=BatchStatus.DOC_STATUS_SENT,p_irereference=4,p_sFromBranch=“7010777”});
}
}

谢谢,我找到了答案。我没有将批处理类的成员定义为属性。因此,尽管我们将这些值设置为公共成员,但它们不会显示在.XAML中,因为它们不会作为属性公开。按以下方式更改它们对我很有效


请在输出窗口中查找错误。可能有一些约束issue@ASh谢谢,刚刚看到你的评论。是的,原因与属性绑定有关。我一直在寻找这个答案,但没有找到。谢谢