This demo shows how to bind dynamic resources to the DataGridStyle properties in MAUI SfDataGrid. Using this sample we can bind the color to the DataGridStyle property through dynamic resource as shown in the code snippet.
<ContentPage.Resources>
<Color x:Key="headerBackground">LightGreen</Color>
</ContentPage.Resources>
<ContentPage.Content>
<datagrid:SfDataGrid x:Name="dataGrid"
ItemsSource="{Binding OrderInfoCollection}">
<datagrid:SfDataGrid.DefaultStyle>
<datagrid:DataGridStyle HeaderRowBackground="{DynamicResource headerBackground}"/>
</datagrid:SfDataGrid.DefaultStyle>
</datagrid:SfDataGrid>
</ContentPage.Content>