MyProgram/Prakticheskaya5 Venediktov/Reg.xaml

<Page x:Class="Prakticheskaya5_Venediktov.Reg"
      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:Prakticheskaya5_Venediktov"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="Reg">

    <Grid>
        <StackPanel>
            <GroupBox Header="Имя">
                <TextBox Name="Name"> </TextBox>
            </GroupBox>
            <GroupBox Header="Фамилия">
                <TextBox Name="Surname"></TextBox>
            </GroupBox>
            <GroupBox Header="Дата рождения">
                <DatePicker Name="Birthday"></DatePicker>
            </GroupBox>
            <GroupBox Header="Логин">
                <TextBox Name="Login"></TextBox>
            </GroupBox>
            <GroupBox Header="Пароль">
                <PasswordBox Name="Password"> </PasswordBox>
            </GroupBox>
            <GroupBox Header="Повторите пароль">
                <PasswordBox Name="RepPass"></PasswordBox>
            </GroupBox>
            <GroupBox Header="Роль">
                <TextBlock Name="Role"> Пользователь </TextBlock>
            </GroupBox>
            
            <Button Click="Button_Click" Style="{StaticResource BtnSt3}">Зарегистрироваться</Button>
            <Button Name="BackBtn" Click="BtnBack_Click" Content="Назад" Style="{StaticResource BtnSt3}"/>
        </StackPanel>
    </Grid>
</Page>