bobrovTousap/HotelsPage.xaml

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

    <Grid HorizontalAlignment="Right" Width="800" Height="450" VerticalAlignment="Top" RenderTransformOrigin="0.488,0.495">
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition Height="385*"/>
            <RowDefinition Height="30*"/>
            <RowDefinition Height="34*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <DataGridColumnHeader Margin="1,0,-1,10" Grid.RowSpan="4"/>
        <DataGrid x:Name="DGridHotels">
        </DataGrid>
        
        <TextBox HorizontalAlignment="Left" Height="23" Margin="456,5,0,0" TextWrapping="Wrap" Text="количество звезд" VerticalAlignment="Top" Width="120" Grid.Row="1"/>
        <TextBox HorizontalAlignment="Left" Height="23" TextWrapping="Wrap" Text="Страна " VerticalAlignment="Top" Width="120" Margin="621,6,0,0" Grid.Row="1"/>
        <Button Content="редакт" Name="BtnEdit" Click="BtnEdit_Click"></Button>
        <TextBox HorizontalAlignment="Left" Height="23" TextWrapping="Wrap" Text="название отеля" VerticalAlignment="Top" Width="120" Margin="10,14,0,0" Grid.Row="1"/>
        <Button Content="добавить" HorizontalAlignment="Left" Height="30" VerticalAlignment="Top" Width="80" Margin="1,0,0,0" Grid.Row="2"/>
 
        <Button Content="удалить" HorizontalAlignment="Left" Height="31" Grid.RowSpan="2" VerticalAlignment="Top" Width="79" Margin="711,384,0,0" Grid.Row="1" Click="Button_Click"/>
          
    </Grid>
    
</Page>