TheProgramForTheTechnicalSupportDepartment/Practics/Views/KnowledgeWindow.xaml

<Window x:Class="Practics.Views.KnowledgeWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:xctk="http://schemas.xceed.com/wpf/xaml/toolkit"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:Practics.Views"
        mc:Ignorable="d"
        Title="База знаний" Height="450" Width="800">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="150"/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="1*"/>
            <RowDefinition Height="1*"/>
        </Grid.RowDefinitions>
        <StackPanel Orientation="Vertical">
            <Button x:Name="btnAddNew" Content="Новая" Click="btnAddNew_Click"/>
            <Button x:Name="btnUpdateAll" Content="Обновить" Click="btnUpdateAll_Click"/>
            <Button x:Name="btnExit" Content="Выход" Click="btnExit_Click"/>
        </StackPanel>
        <DataGrid x:Name="dgNotes" Grid.Column="1" Grid.Row="0" SelectionChanged="dgNotes_SelectionChanged" CanUserAddRows="False" AutoGenerateColumns="False">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Пользователь" Binding="{Binding LastName}" IsReadOnly="True" />
                <DataGridTextColumn Header="Краткое описание" Binding="{Binding NoteName}" />
                <DataGridTemplateColumn Header="Создана">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <xctk:DateTimePicker Value="{Binding TimeCreate, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
                <DataGridTemplateColumn Header="Обновлена">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <xctk:DateTimePicker Value="{Binding TimeUpdate, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
            </DataGrid.Columns>
        </DataGrid>
        <StackPanel Grid.Column="1" Grid.Row="1">
            <ToolBar>
                <Button x:Name="btnSaveNote" Click="btnSaveNote_Click">Save</Button>
                <Button x:Name="btnClearNote" Click="btnClearNote_Click">Clear</Button>
            </ToolBar>
            <RichTextBox Height="190" x:Name="rtbNote"/>
        </StackPanel>
    </Grid>
</Window>