EmployeeTracker/InvestTracker/Views/EmployeeBrowseView.xaml

<Page x:Class="InvestTracker.Views.EmployeeBrowseView"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:vm="clr-namespace:InvestTracker.VM"
      xmlns:local="clr-namespace:InvestTracker.Views"
      xmlns:model="clr-namespace:InvestTracker.Entities"
      xmlns:validation="clr-namespace:InvestTracker.Validation"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      x:Name="EPage"
      Title="EmployeeBrowseView">
    <Page.Resources>
        <!--Шаблон яйчейки отображения даты-->
        <DataTemplate x:Key="RegularDateTemplate" >
            <TextBlock
                Text="{Binding Birthday,StringFormat={}{0:dd\.}{0:MM\.}{0:yyyy}}"
                VerticalAlignment="Center"
                HorizontalAlignment="Center" />
        </DataTemplate>

        <!--Шаблон яйчейки редактирования даты-->
        <DataTemplate x:Key="EditingDateTemplate">
            <DatePicker SelectedDate="{Binding Birthday, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
        </DataTemplate>
    </Page.Resources>

    <StackPanel>
        <!--Этот FrameworkElement содержит все свойства у Page-->
        <FrameworkElement x:Name="ProxyElement" DataContext="{Binding}" Visibility="Collapsed"/>
        
        <Menu>
            <MenuItem Header="Действие" >
                <MenuItem Command="{Binding UndoCommand}" Header="Отменить" ></MenuItem>
                <Separator/>
                <MenuItem Command="{Binding NewCommand}" Header="Создать" ></MenuItem>
                <MenuItem Command="{Binding EditCommand}" Header="Редактировать" ></MenuItem>
                <MenuItem Command="{Binding SaveCommand}" Header="Сохранить" ></MenuItem>
                <MenuItem Command="{Binding FindCommand}" Header="Найти" />
                <Separator/>
                <MenuItem Command="{Binding DeleteCommand}" Header="Удалить" ></MenuItem>
            </MenuItem>
            <MenuItem Header="Отчет"></MenuItem>
        </Menu>

        <ToolBar>
            <Button Name="Undo" Command="{Binding UndoCommand}" ToolTip="Отменить редактирование/создание">
                <Image Width="16" Height="16" Source="/Images/undo.png" />
            </Button>
            <Button Name="Add" Command="{Binding NewCommand}" ToolTip="Добавить">
                <Image Width="16" Height="16"  Source="/Images/add.png" />
            </Button>
            <Button Name="Edit" Command="{Binding EditCommand}" ToolTip="Редактировать">
                <Image Width="16" Height="16"  Source="/Images/edit.png" />
            </Button>
            <Button Name="Search" Command="{Binding FindCommand}" ToolTip="Поиск">
                <Image Width="16" Height="16"  Source="/Images/search.png" />
            </Button>
            <Button Name="Save" Command="{Binding SaveCommand}"  ToolTip="Сохранить">
                <Image Width="16" Height="16"  Source="/Images/save.png" />
            </Button>
            <Button Name="Delete" Command="{Binding DeleteCommand}" ToolTip="Удалить">
                <Image Width="16" Height="16"  Source="/Images/delete.png" />
            </Button>
        </ToolBar>

        <Label>Список сотрудников</Label>

        <DataGrid
            AutoGenerateColumns="False"
            ItemsSource="{Binding Employees}"
            RowBackground="#ddd"
            AlternatingRowBackground="#eee"
            CanUserAddRows="False"
            CanUserDeleteRows="False"
            IsReadOnly="{Binding GridBlocked}"
            SelectedItem="{Binding SelectedEmployee}">

            <!--Рисуем восклицательный знак если в строке ошибка-->
            <DataGrid.RowValidationErrorTemplate>
                <ControlTemplate>
                    <Grid
                        Margin="0,-2,0,-2"
                        ToolTip="{Binding
                            RelativeSource={RelativeSource FindAncestor,
                            AncestorType={x:Type DataGridRow}},
                            Path=(Validation.Errors)[0].ErrorContent}">
                        <Ellipse
                            StrokeThickness="0"
                            Fill="Red"
                            Width="{TemplateBinding FontSize}"
                            Height="{TemplateBinding FontSize}" />
                        <TextBlock
                            Text="!"
                            FontSize="{TemplateBinding FontSize}"
                            FontWeight="Bold"
                            Foreground="White"
                            HorizontalAlignment="Center" />
                    </Grid>
                </ControlTemplate>
            </DataGrid.RowValidationErrorTemplate>

            <DataGrid.Columns>
                <DataGridTextColumn
                    Binding="{Binding Path=Surname,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"
                    Header="Фамилия"/>
                <DataGridTextColumn
                    Binding="{Binding Path=Name,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"
                    Header="Имя"/>
                <DataGridTextColumn
                    Binding="{Binding Path=Patronymic,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"
                    Header="Отчество"/>
                <DataGridComboBoxColumn
                    ItemsSource="{Binding DataContext.AllTitles,Source={x:Reference ProxyElement}}"
                    DisplayMemberPath="Name"
                    SelectedValueBinding="{Binding Path=TitleId, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                    SelectedValuePath="Id"
                    Header="Должность"/>
                <DataGridTemplateColumn
                    CellTemplate="{StaticResource RegularDateTemplate}"
                    CellEditingTemplate="{StaticResource EditingDateTemplate}"
                    Header="Дата рождения" />
                <DataGridTextColumn
                    Binding="{Binding Path=Phone,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"
                    Header="Телефон" />
                <DataGridTextColumn
                    EditingElementStyle="{StaticResource ValidationFail}"
                    Header="Электронная почта">
                    <DataGridTextColumn.Binding>
                        <Binding 
                            Path="Email" 
                            Mode="TwoWay" 
                            UpdateSourceTrigger="PropertyChanged"
                            ValidatesOnExceptions="True">
                            <Binding.ValidationRules>
                                <validation:Email/>
                            </Binding.ValidationRules>
                        </Binding>
                    </DataGridTextColumn.Binding>
                </DataGridTextColumn>
            </DataGrid.Columns>
        </DataGrid>
    </StackPanel>
</Page>