PR13/Kachaev_PR13/Pages/AuthPage.xaml

<Page x:Class="Kachaev_PR13.Pages.AuthPage"
      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:local="clr-namespace:Kachaev_PR13.Pages"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="Авторизация">


    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="150"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="50"/>
            <ColumnDefinition Width="190"/>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <Label Content="Логин" Margin="0,7,0,0" VerticalAlignment="Top" Grid.Column="1" Height="21" Grid.Row="1"/>
        <TextBox x:Name="TextBoxLogin" HorizontalAlignment="Left" Height="23" Margin="0,5,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="190" Grid.Column="2" Grid.Row="1" TextChanged="TextBoxLogin_TextChanged"/>
        <Label Content="Пароль" Grid.Column="1" Margin="0,31,0,0" VerticalAlignment="Top" Height="21" Grid.Row="1"/>
        <PasswordBox x:Name="PasswordBox" Grid.Column="2" HorizontalAlignment="Left" Height="23" Margin="0,31,0,0" VerticalAlignment="Top" Width="190" Grid.Row="1"/>
        <Button Click="ButtonEnter_OnClick" Grid.Column="2" VerticalAlignment="Bottom" Grid.Row="1" Margin="0,0,0,65" Height="20" Content="вход"/>
        <Button Content="Регистрация" Grid.Column="2" HorizontalAlignment="Left" VerticalAlignment="Top" Width="190" Grid.Row="1" Margin="0,90,0,0" Height="22" Click="ButtonRegistration_OnClick"/>

    </Grid>
</Page>