How do I set different color for cells in WPF datagrid

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Hi,
I am facing issues while selecting a particular cell say 5th Row and 3rd Column.
In WPF I used a Property named Columns for Datagrid where I can select column for all rows but I need to get any random cell programatically to Set Cellstyle.

Please advise me to get rid of this issue.

What I have tried:

Used Column property for Datagrid

Posted 22-Jan-19 4:58am

KUMAR619

Updated 22-Jan-19 6:22am

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AnkushK1 · Answer 1 · 2019-01-22T06:22:00

Did you tried using ValueConverter for this. Use dependency property to perform calculation based on previous value and this should trigger binding converter where you should set the color. For cell coloring using converter, refer to below code:

XAML:

<Window.Resources>
    <local:NameToBrushConverter x:Key="CellConverter"/>
</Window.Resources>
...
<DataGridTextColumn Binding="{Binding PropertyName}">
    <DataGridTextColumn.ElementStyle>
        <Style TargetType="{x:Type TextBlock}">
            <Setter Property="Background" Value="{Binding PropertyName, Converter={StaticResource NameToBrushConverter}}"/>
        </Style>
    </DataGridTextColumn.ElementStyle>
</DataGridTextColumn>

Code:

public class CellConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        string input = value as string;
        switch (input)
        {
            case <your value condition>:
                return Brushes.Red;
            default:
                return DependencyProperty.UnsetValue;
        }
    }

    public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        throw new NotSupportedException();
    }
}

Gerry Schmitz · Answer 2 · 2019-01-22T06:09:00

Use the DataGridTemplateColumn, and bind the Background color to an expression on your data source it. e.g.

C#

DataGridTemplateColumn Width="*">
               <DataGridTemplateColumn.CellTemplate>
                  <DataTemplate>
                     <TextBlock Text="{Binding Path=Text}"
                                Background="{Binding Path=BackgroundColor}"
                                TextWrapping="Wrap"
                                Padding="4" />
                  </DataTemplate>
               </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>


public SolidColorBrush BackgroundColor { get { 
   if ( this.PartNumber == 3 ) { 
      return Brushes.MistyRose; 
   } 
   return Brushes.Transparent; 
} }

How do I set different color for cells in WPF datagrid

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