pr14/Pages/AuthPage.xaml

<Page x:Class="PR13Kudro.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:PR13Kudro.Pages"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="AuthPage">

    <Grid RenderTransformOrigin="0.58,0.216" Background="White">
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
            <ColumnDefinition Width="64*"/>
            <ColumnDefinition Width="94*"/>
            <ColumnDefinition Width="354*"/>
            <ColumnDefinition Width="287*"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="33*"/>
            <RowDefinition Height="301*"/>
            <RowDefinition Height="116*"/>
        </Grid.RowDefinitions>
        <Label Content="Логин" VerticalAlignment="Top" Height="42" Grid.Row="1" Grid.Column="2"/>
        <TextBox x:Name="TextBoxLogin" HorizontalAlignment="Left" Height="42" TextWrapping="Wrap" Text="" VerticalAlignment="Top" Width="345" TextChanged="TextBox_TextChanged" Grid.Column="3" Grid.Row="1"/>
        <Label Content="Пароль" HorizontalAlignment="Left" Margin="0,47,0,0" Grid.Row="1" VerticalAlignment="Top" Height="42" Width="94" Grid.Column="2"/>
        <Button Click="ButtonEnter_OnClick" Content="Вход" Grid.Column="3" HorizontalAlignment="Left" Margin="10,94,0,0" Grid.Row="1" VerticalAlignment="Top" Width="325" Height="37"/>
        <Button Content="Регистрация" HorizontalAlignment="Left" Margin="10,136,0,0" Grid.Row="1" VerticalAlignment="Top" Width="325" Height="37" Grid.Column="3" Click="Button_Click_1"/>
        <PasswordBox Grid.Column="3" HorizontalAlignment="Left" Margin="56,66,0,0" Grid.Row="1" VerticalAlignment="Top"/>
        <PasswordBox x:Name="PasswordBox" Grid.Column="3" HorizontalAlignment="Left" Margin="0,47,0,0" Grid.Row="1" VerticalAlignment="Top" Width="345" Height="42"/>

    </Grid>
</Page>