WPF ItemContainerStyle

索引サイト
WPF データグリッド行の着色





<DataGrid AutoGenerateColumns="False" Grid.Column="1" Grid.ColumnSpan="6" Grid.Row="1" Margin="3" Name="dataGrid1" CanUserAddRows="False" Grid.RowSpan="3">

    <DataGrid.ItemContainerStyle>

        <Style TargetType="DataGridRow">

            <Style.Triggers>

                <DataTrigger Binding="{Binding time_span}" Value="0">

                    <Setter Property="Background" Value="White"/>

                </DataTrigger>

                <DataTrigger Binding="{Binding time_span}" Value="1">

                    <Setter Property="Background" Value="Yellow"/>

                </DataTrigger>

                <DataTrigger Binding="{Binding time_span}" Value="2">

                    <Setter Property="Background" Value="HotPink"/>

                </DataTrigger>

            </Style.Triggers>

        </Style>

    </DataGrid.ItemContainerStyle>

    <DataGrid.Columns>

        <DataGridTextColumn Header="日付" Binding="{Binding date_direction}"/>

        <DataGridTextColumn Header="データグリッド行　background" Binding="{Binding message}" />

    </DataGrid.Columns>

</DataGrid>









//**Aqamarine-675-U10

while (z_Reader.Read())

{

    string w_date_direction = Convert.ToString(z_Reader["date_direction"]);

    string w_message = Convert.ToString(z_Reader["message"]);
    w_dataRow = w_dataTable.NewRow();

    w_dataRow["date_direction"] = w_date_direction;

    w_dataRow["message"] = w_message;
    DateTime w_datetime_now = DateTime.Now;

    DateTime w_datetime_direction = Convert.ToDateTime(w_date_direction);

    TimeSpan w_timespan = w_datetime_now - w_datetime_direction;

    int w_nissuu = w_timespan.Days;

    

    w_dataRow["time_span"] = "1";

    if (w_nissuu < 7)  { w_dataRow["time_span"] = "0"; }

    if (w_nissuu > 14) { w_dataRow["time_span"] = "2"; }
    w_dataTable.Rows.Add(w_dataRow);

}




AX