rkismvvm/rkismvvm/Views/TaskHistory.xaml

<Window x:Class="rkismvvm.Views.TaskHistory"
        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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:rkismvvm.Views"
        mc:Ignorable="d"
        Title="TaskHistory" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="80*"/>
            <RowDefinition Height="20*"/>
        </Grid.RowDefinitions>
        <Grid Grid.Row="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="50*"/>
                <RowDefinition Height="50*"/>
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition />
                <ColumnDefinition/>
                <ColumnDefinition />
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>
            <Button Grid.Row="0" Grid.Column="0" Grid.RowSpan="2" Content="Назад" Command="{Binding Back}" FontSize="18" />
        </Grid>
        <DataGrid AutoGenerateColumns="False" ItemsSource="{Binding Tasks}"  Grid.Row="0">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Номер"  Width="20*" Binding="{Binding TaskId}"/>
                <DataGridTextColumn Header="Название" Width="50*" Binding="{Binding TaskName}"/>
                <DataGridTextColumn Header="Описание"  Width="50*" Binding="{Binding TaskDescrip}"/>
                <DataGridTextColumn Header="Дата создания" Width="50*" Binding="{Binding TaskDate}"/>
                <DataGridTextColumn Header="Имя создавшего"  Width="50*" Binding="{Binding UserGive.Login}"/>
                <DataGridTextColumn Header="Принявший" Width="50*" Binding="{Binding UserTake.Login}"/>
                <DataGridTextColumn Header="Статус" Width="50*" Binding="{Binding StatusTask.StatusName}"/>
            </DataGrid.Columns>
        </DataGrid>

    </Grid>
</Window>