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WPF: Set background color of cells of a particular column based on column index in WPF Datagrid

May 31, 2022

I want to set the background color of all the cells of a particular column in WPF Datagrid.

The requirement is pretty straight forward and simple but I am pretty new to WPF.

I found hundred of posts like this Style Only One Column's Cells DataGrid C# WPF which are using DataGridCell and DataTrigger combination to set style of a particular cell, but the trigger is always dependent on data on that cell, while I do not want to depend on data but just the column index.

Is there any way to do that?

>Solution :

you can use a simple Style with one setter for Background (individual style for each column):

<DataGridTextColumn Binding="{Binding ...}" Header="Red">
    <DataGridTextColumn.CellStyle>
        <Style TargetType="DataGridCell">
            <Setter Property="Background" Value="Red"/>
        </Style>
    </DataGridTextColumn.CellStyle>
</DataGridTextColumn>
<DataGridTextColumn Binding="{Binding ...}" Header="Green">
    <DataGridTextColumn.CellStyle>
        <Style TargetType="DataGridCell">
            <Setter Property="Background" Value="Green"/>
        </Style>
    </DataGridTextColumn.CellStyle>
</DataGridTextColumn>
<DataGridTextColumn Binding="{Binding ...}" Header="Blue">
    <DataGridTextColumn.CellStyle>
        <Style TargetType="DataGridCell">
            <Setter Property="Background" Value="Blue"/>
        </Style>
    </DataGridTextColumn.CellStyle>
</DataGridTextColumn>