Otel/HotelCalifornia/Report.xaml

<Window x:Class="HotelCalifornia.Report"
        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:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:local="clr-namespace:HotelCalifornia"
        mc:Ignorable="d"
        Title="Report" Height="450" Width="800" WindowStartupLocation="CenterScreen" ResizeMode="NoResize" WindowStyle="None" Icon="image/h1.png" Loaded="Window_Loaded">
    <Grid MouseDown="Grid_MouseDown">
        <Grid.Background>
            <LinearGradientBrush StartPoint="0.1,0" EndPoint="0.9,1">
                <GradientStop Color="#7E42F5" Offset="1" />
                <GradientStop Color="#383E7A" Offset="0"/>
            </LinearGradientBrush>
        </Grid.Background>
        <TextBlock Name="idadmintxt" Visibility="Hidden"/>
        <Button Name="WindMin"
  Style="{StaticResource MaterialDesignIconButton}" ToolTip="Свернуть окно" Margin="694,10,58,391.6" Click="WindMin_Click">
            <materialDesign:PackIcon Kind="WindowMinimize" Foreground="White"/>
        </Button>
        <Button Style="{StaticResource MaterialDesignIconButton}" ToolTip="Выход из приложения" Margin="742,10,10,391.6" Click="Close">
            <materialDesign:PackIcon Kind="ExitToApp" Foreground="White"/>
        </Button>
        <Button Style="{StaticResource MaterialDesignIconButton}" ToolTip="Вернуться к окну выбора функции" Margin="10,10,742,391.6" Click="Back">
            <materialDesign:PackIcon Kind="Backburger"  Foreground="White"/>
        </Button>
        <Label Content="Отчеты" Foreground="White" FontSize="35" FontFamily="Century Gothic" HorizontalAlignment="Center"  Width="136" Margin="332,14,332,377.6"/>
        <Button
            Background="#7E42F5" BorderBrush="Black"
            materialDesign:ButtonAssist.CornerRadius="25"
            Margin="50,87,600,307.6" Height="Auto" Click="Rezervirovanie_Click">
            <TextBlock Text="Резервирование" />
        </Button>
        <Button
            Background="#7E42F5" BorderBrush="Black"
            materialDesign:ButtonAssist.CornerRadius="25"
            Margin="230,87,420,307.6" Height="Auto" Click="Client_Click">
            <TextBlock Text="Клиенты" />
        </Button>
        <Button
            Background="#7E42F5" BorderBrush="Black"
            materialDesign:ButtonAssist.CornerRadius="25"
            Margin="424,87,226,307.6" Height="Auto" Click="Room_Click">
            <TextBlock Text="Комнаты"/>
        </Button>
        <Button
            Background="#7E42F5" BorderBrush="Black"
            materialDesign:ButtonAssist.CornerRadius="25"
            Margin="605,87,50,307.6" Height="Auto" Click="RoomClient_Click">
            <TextBlock Text="Заселенные"/>
        </Button>
        <DataGrid Name="datareport" IsReadOnly="True" Margin="50,150,50,51" BorderThickness="1" BorderBrush="Black"/>
        <Button
            Background="#7E42F5" BorderBrush="Black"
            materialDesign:ButtonAssist.CornerRadius="25"
            Margin="564,403,50,5.6" Height="Auto" Click="Savereport_Click">
            <TextBlock Text="Сохранить отчет" />
        </Button>
    </Grid>
</Window>