MainWindow.xaml

<Window x:Class="PDF_Reader.MainWindow"
        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:local="clr-namespace:PDF_Reader" AllowDrop="True"
        mc:Ignorable="d" DragDrop.Drop="Window_Drop" DragDrop.DragEnter="Window_DragEnter"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Button Content="Save To Excel" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Click="SaveToExcel_Click" Width="82"/>
        <DataGrid x:Name="itemDG" d:ItemsSource="{d:SampleData ItemCount=5}" Margin="0,35,0,0"/>
        <TextBlock x:Name="status" HorizontalAlignment="Left" Margin="99,12,0,0" TextWrapping="Wrap" Text="" VerticalAlignment="Top"/>
    </Grid>
</Window>