<DataGridTemplateColumn >
                        <DataGridTemplateColumn.Header>
                                <ToggleButton x:Name="ProfessionToggleButton" IsChecked="True" >
                                    <ToggleButton.Style>
                                        <Style TargetType="ToggleButton">
                                            <Setter Property="Content" Value="Профессия"/>
                                            <Style.Triggers>
                                                <Trigger Property="IsChecked" Value="False">
                                                    <Setter Property="Content" Value="+"/>
                                                </Trigger>
                                            </Style.Triggers>
                                        </Style>
                                    </ToggleButton.Style>
                                </ToggleButton>
                        </DataGridTemplateColumn.Header>
                        <DataGridTemplateColumn.CellEditingTemplate>
                            <DataTemplate>
                                <TextBox Text="{Binding Profession}"/>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellEditingTemplate>
                        <DataGridTemplateColumn.CellTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Profession}"
                                           Visibility="{Binding RelativeSource={RelativeSource TemplatedParent}, ElementName={x:Reference ProfessionToggleButton}, Path=IsChecked, Converter={StaticResource BooleanToVisibilityConv}}"/>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellTemplate>
                    </DataGridTemplateColumn>