我正在尝试将一个列的数据绑定到页面ViewModel中的数据(而不是网格绑定的对象)。
下面的代码在这里被推荐使用,但没有成功。
<DataGridTemplateColumn>
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Content="{Binding ElementName=LayoutRoot, Path=DataContext.JUNK}"></Button>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
在我的 ViewModel 中
public string JUNK { get; set; }
在ViewModel的构造函数中将其设置为"HELLO"
有人看出我做错了什么吗?
编辑
这是整个XAML。相关列在网格内的网格最下方
另外 - 我无法再次将整个源代码放入这里(不确定是Citrix还是其他原因),但我将那个在数据网格按钮中不起作用的完全相同的绑定表达式放到了一个普通的TextBlock的文本中,它像魔术一样奏效了。我还向网格添加了一个新的虚拟文本列,并将该绑定表达式用于文本,但它仍然不起作用。它似乎是正确的绑定表达式,但是拒绝在网格附近工作。
<UserControl x:Class="MainApp.WPF.ucFmvHistoryDisplayGrid"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="1000" x:Name="LayoutRoot">
<UserControl.Resources>
<Style x:Name="rightAlignedColumn" x:Key="rightAlignedColumn" TargetType="TextBlock">
<Setter Property="HorizontalAlignment" Value="Right" />
</Style>
<Style x:Name="centerAlignedColumn" x:Key="centerAlignedColumn" TargetType="TextBlock">
<Setter Property="HorizontalAlignment" Value="Center" />
</Style>
</UserControl.Resources>
<Grid>
<DataGrid x:Name="dbTop" ItemsSource="{Binding PropertyGroupSource}" HorizontalAlignment="Left" Background="White" CanUserAddRows="False" CanUserDeleteRows="False" CanUserReorderColumns="False" CanUserResizeRows="False" IsReadOnly="True" AutoGenerateColumns="False" Grid.Row="1" Width="800">
<DataGrid.Columns>
<DataGridTextColumn Width="120" Header="Property Num" Binding="{Binding PropertyNum}"></DataGridTextColumn>
<DataGridTextColumn Width="120" Header="Alt Description" Binding="{Binding AltDescription}"></DataGridTextColumn>
<DataGridTextColumn Width="80" Header="County" Binding="{Binding County}"></DataGridTextColumn>
<DataGridTextColumn Width="100" Header="State" Binding="{Binding State}" ElementStyle="{StaticResource centerAlignedColumn}"></DataGridTextColumn>
<DataGridTextColumn Width="85" Header="Phase" Binding="{Binding Phase}"></DataGridTextColumn>
<DataGridTextColumn Width="85" Header="FMV" Binding="{Binding FmvTotal}"></DataGridTextColumn>
<DataGridTextColumn Width="100" Header="Assessed Value" Binding="{Binding AssessedValueTotal}"></DataGridTextColumn>
</DataGrid.Columns>
<DataGrid.RowDetailsTemplate>
<DataTemplate>
<Border Margin="5" BorderBrush="Black" BorderThickness="1">
<DataGrid Margin="5" Background="White" CanUserAddRows="False" CanUserDeleteRows="False" CanUserReorderColumns="False" CanUserResizeRows="False" IsReadOnly="True" AutoGenerateColumns="False" Grid.Row="1" ItemsSource="{Binding PropertyFmvSource}">
<DataGrid.Columns>
<DataGridTextColumn Width="125" Header="County Acct Num" Binding="{Binding Property.CountyAccountNum, StringFormat=d}" ElementStyle="{StaticResource rightAlignedColumn}"></DataGridTextColumn>
<DataGridTextColumn Width="80" Header="City" Binding="{Binding Property.City, StringFormat=d}" ElementStyle="{StaticResource rightAlignedColumn}"></DataGridTextColumn>
<DataGridTextColumn Width="80" Header="Jurisdiction" Binding="{Binding Property.Jurisdiction, StringFormat=d}" ElementStyle="{StaticResource rightAlignedColumn}"></DataGridTextColumn>
<DataGridTextColumn Width="80" Header="FMV Date" Binding="{Binding MostRecentFMV.FMVDate, StringFormat=d}" ElementStyle="{StaticResource rightAlignedColumn}"></DataGridTextColumn>
<DataGridTextColumn Width="100" Header="FMV" Binding="{Binding MostRecentFMV.FMV, StringFormat=N0}" ElementStyle="{StaticResource rightAlignedColumn}"></DataGridTextColumn>
<DataGridTextColumn Width="85" Header="Assess Ratio" Binding="{Binding MostRecentFMV.AssessmentRatio, StringFormat=N3}" ElementStyle="{StaticResource rightAlignedColumn}"></DataGridTextColumn>
<DataGridTextColumn Width="105" Header="Assessed Value" Binding="{Binding MostRecentFMV.AssessedValue, StringFormat=N0}" ElementStyle="{StaticResource rightAlignedColumn}"></DataGridTextColumn>
<DataGridTemplateColumn>
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Button Content="{Binding ElementName=LayoutRoot, Path=DataContext.JUNK}"></Button>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn>
</DataGrid.Columns>
</DataGrid>
</Border>
</DataTemplate>
</DataGrid.RowDetailsTemplate>
</DataGrid>
</Grid>