How to Display Few Cells of a Columns have Different Foreground Along with Underline Based on a Condition in WPF DataGrid?

This sample show cases how to apply the conditional styling for grid columns in WPF DataGrid (SfDataGrid).

You can apply the conditional styling for GridColumn by using converter and CellTemplate in DataGrid.

XAML

<Window.Resources>
    <local:WbsElementToHyperLinkConverter x:Key="WbsElementToHyperLinkConverter"/>
</Window.Resources>

<syncfusion:GridTextColumn MappingName="OrderID" HeaderText="Order ID" AllowFiltering="False" MinimumWidth="10" Width="90" >
    <syncfusion:GridTextColumn.CellTemplate>
        <DataTemplate>
            <TextBlock  Text="{Binding Path=OrderID}"  
            TextDecorations="{Binding Converter={StaticResource WbsElementToHyperLinkConverter},ConverterParameter=TextDecorations}"  
            Foreground="{Binding Converter={StaticResource WbsElementToHyperLinkConverter},ConverterParameter=ForeGround}" />
        </DataTemplate>
    </syncfusion:GridTextColumn.CellTemplate>
</syncfusion:GridTextColumn>

C#

public class WbsElementToHyperLinkConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        var data = value as OrderInfo;
        if (data.OrderID % 2 == 0)
        {
            if (parameter.ToString() == "TextDecorations")
                return TextDecorations.Underline;
            else
                return new SolidColorBrush(Colors.Blue);
        }
        else
            return value;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}