我在我的视图模型中动态创建两个数据表。 在我将它们显示在视图中之前,我将一个DataTable中的每个单元格值与第二个DataTable中的同一个单元格进行比较。 我的问题是我想提供不同的单元格不同的背景颜色。我怎样才能做到这一点?MVVM WPF动态数据网格
这里是第一个DataGrid:
<GroupBox Header="Xml 1 Details" Margin="10,10,10,10" Grid.Row="1" Grid.ColumnSpan="4" Grid.Column="0">
<ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Disabled">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<GroupBox x:Name="GridGroupBox"
Grid.Column="0"
Header="{Binding TableName}">
<DataGrid x:Name="DataGrid" Margin="5,5,5,5"
ItemsSource="{Binding GenericDataTable}"
attachedBehaviors:DataGridColumnsBehavior.BindableColumns="{Binding GridColumns}"
AutoGenerateColumns="False"
EnableRowVirtualization="False">
</DataGrid>
</GroupBox>
</Grid>
</ScrollViewer>
</GroupBox>
第二个DataGrid:
<GroupBox Header="Xml 2 Details" Margin="10,20,10,10" Grid.Row="2" Grid.ColumnSpan="4" Grid.Column="0">
<ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Disabled">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<GroupBox x:Name="GridGroupBox2"
Grid.Column="0"
Header="{Binding TableName}">
<DataGrid x:Name="DataGrid2" Margin="5,5,5,5"
ItemsSource="{Binding GenericDataTable2}"
attachedBehaviors:DataGridColumnsBehavior.BindableColumns="{Binding GridColumns2}"
AutoGenerateColumns="False"
EnableRowVirtualization="False"
/>
</GroupBox>
</Grid>
</ScrollViewer>
</GroupBox>
编程创建他们:
private void GenerateFirstXmlDynamicColumns(DataTable dt, List<string> cols)
{
GridColumns = new ObservableCollection<DataGridColumn>();
foreach (DataColumn col in dt.Columns)
{
GridColumns.Add(new DataGridTextColumn
{
Header = col.ColumnName,
Binding = new Binding(col.ColumnName)
});
}
RaisePropertyChanged("GridColumns");
GenericDataTable = dt;
RaisePropertyChanged("GenericDataTable");
}
private void GenerateSecondXmlDynamicColumns(DataTable dt, List<string> cols)
{
GridColumns2 = new ObservableCollection<DataGridColumn>();
foreach (DataColumn col in dt.Columns)
{
GridColumns2.Add(new DataGridTextColumn
{
Header = col.ColumnName,
Binding = new Binding(col.ColumnName)
});
}
RaisePropertyChanged("GridColumns2");
GenericDataTable2 = dt;
RaisePropertyChanged("GenericDataTable2");
}
在这里,我比较细胞,我想改变不同单元的背景颜色:
private void CompareData()
{
for (int i = 0; i < GenericDataTable.Rows.Count; i++)
{
for (int j = 0; j < GenericDataTable.Columns.Count; j++)
{
if (!GenericDataTable.Rows[i][j].Equals(GenericDataTable2.Rows[i][j]))//if cells are different
{
}
}
}
}
获得帮助这里的方法是尝试第一,显示你的代码,然后人都乐于帮助。 – kenny