Cafe/Cafe2/AddWindows/AddExchangeWindow.xaml

<Window x:Class="Cafe.AddWindows.AddExchangeWindow"
        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:Cafe.AddWindows"
        mc:Ignorable="d"
        Title="Формирование смены" Height="900" Width="1600" WindowStartupLocation="CenterScreen" ResizeMode="CanMinimize">
    <Grid>
        <Button x:Name="BackButton" Content="Назад" HorizontalAlignment="Left" Margin="20,17,0,0" VerticalAlignment="Top" Height="39" Width="140" FontSize="25" Click="BackButtonClick"/>
        <Label Content="Дата:" Foreground="White" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="36" Height="60" Margin="570,58,0,0" Width="130" HorizontalContentAlignment="Right"/>
        <TextBox x:Name="Date" HorizontalAlignment="Left" Margin="702,58,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Height="60" Width="400" FontSize="36" TextChanged="DateTextChanged"/>
        <Label Content="Время начала:" Foreground="White" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="36" Height="60" Margin="64,148,0,0" Width="254" HorizontalContentAlignment="Right"/>
        <TextBox x:Name="TimeOfBegin" HorizontalAlignment="Left" Margin="319,148,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Height="60" Width="400" FontSize="36" TextChanged="TimeTextChanged"/>
        <Label Content="Время окончания:" Foreground="White" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="36" Height="60" Margin="784,148,0,0" Width="315" HorizontalContentAlignment="Right"/>
        <TextBox x:Name="TimeOfEnd" HorizontalAlignment="Left" Margin="1100,148,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Height="60" Width="400" FontSize="36" TextChanged="TimeTextChanged"/>
        <DataGrid x:Name="EmployeesList" AutoGenerateColumns="False" Height="385" VerticalAlignment="Top" HorizontalAlignment="Center" Width="1340"
            RowHeaderStyle="{StaticResource RowHeaderStyle}" ColumnHeaderStyle="{StaticResource ColumnHeaderStyle}" Margin="0,269,0,0">
            <DataGrid.Columns>
                <DataGridTextColumn Binding="{Binding SecondName}" Header="Фамлия" Width="330" IsReadOnly="True"/>
                <DataGridTextColumn Binding="{Binding FirstName}" Header="Имя" Width="330" IsReadOnly="True"/>
                <DataGridTextColumn Binding="{Binding MiddleName}" Header="Отчество" Width="330" IsReadOnly="True"/>
                <DataGridTextColumn Binding="{Binding Roles.RoleName}" Header="Должность" Width="330" IsReadOnly="True"/>
            </DataGrid.Columns>
        </DataGrid>
        <Button x:Name="AddEmployee" Content="Добавить работника" HorizontalAlignment="Left" VerticalAlignment="Top" Height="60" Width="361" FontSize="36" Click="AddEmployeeClick" Margin="53,687,0,0"/>
        <ComboBox x:Name="EmployeeBox" Height="60" Width="450" HorizontalAlignment="Left" Margin="430,687,0,0" VerticalAlignment="Top" Foreground="Black" FontSize="36"/>
        <Button x:Name="SaveExchange" Content="Сохранить смену" HorizontalAlignment="Center" VerticalAlignment="Top" Height="60" Width="309" FontSize="36" Click="SaveExchangeClick" Margin="0,792,0,0"/>
    </Grid>
</Window>