ThingsToDo.xaml

<Page x:Class="dbCon2.ThingsToDo"
      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:dbCon2"
      mc:Ignorable="d" 
      d:DesignHeight="722" d:DesignWidth="1422"
      Title="ThingsToDo">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="400"/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="353"/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Grid.Background>
            <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                <GradientStop Color="#FFA8A4BE" Offset="0"/>
                <GradientStop Color="White" Offset="1"/>
            </LinearGradientBrush>
        </Grid.Background>
        <Grid Margin="10" Grid.ColumnSpan="2" Grid.Row="1">
            <ListBox x:Name="ToDoList" Margin="10,10,350,10" SelectionChanged="ToDoList_SelectionChanged" FontFamily="Segoe Print" FontSize="16" FontWeight="Bold" SelectionMode="Extended"/>
            <TextBlock x:Name="Description" Margin="0,10,10,0" TextWrapping="Wrap" VerticalAlignment="Top" Height="281" FontFamily="Segoe Print" FontSize="14" RenderTransformOrigin="0.5,0.5" HorizontalAlignment="Right" Width="335"/>
        </Grid>
        <Grid Margin="10">
            <Calendar x:Name="ClndOfStuff" Margin="36,10,0,10" HorizontalAlignment="Left" Width="277" MouseDoubleClick="ClndOfStuff_MouseDoubleClick" DisplayDateChanged="ClndOfStuff_DisplayDateChanged" SelectionMode="MultipleRange" LostFocus="ClndOfStuff_LostFocus">

            </Calendar>
        </Grid>
        <Grid Height="362" Margin="10,29,10,0" VerticalAlignment="Top" Grid.Column="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="36*"/>
                <RowDefinition Height="85*"/>
            </Grid.RowDefinitions>
            <StackPanel Margin="10,10,0,210" Grid.RowSpan="2" HorizontalAlignment="Left" Width="575">
                <TextBox x:Name="DateTDBox" Height="29" TextWrapping="Wrap" Text="Date" MouseDoubleClick="DateTDBox_MouseDoubleClick"/>
                <TextBox x:Name="TitleTDBox" Height="29" TextWrapping="Wrap" Text="Title"/>
                <TextBox x:Name="CoWorkTDBox" Height="29" TextWrapping="Wrap" Text="Co-Worker"/>
                <TextBox x:Name="DescriptionTDBox" Height="29" TextWrapping="Wrap" Text="Description"/>
            </StackPanel>
            <Button x:Name="SaveToDoButton" Content="Save" HorizontalAlignment="Left" Margin="10,44.5,0,0" VerticalAlignment="Top" Width="213" Click="SaveToDoButton_Click" Grid.Row="1" Visibility="Collapsed"/>
            <Button x:Name="DeleteToDoButton" Content="Delete" HorizontalAlignment="Left" Margin="10,98.5,0,0" VerticalAlignment="Top" Width="213" Grid.Row="1" Click="DeleteToDoButton_Click" Visibility="Collapsed"/>
            <Button x:Name="DoneButton" Content="Change Status" HorizontalAlignment="Left" Margin="372,44.5,0,0" VerticalAlignment="Top" Width="213" Grid.Row="1" Visibility="Collapsed" Click="DoneButton_Click"/>
            <Button x:Name="MonthWiev" Content="Monthly View" HorizontalAlignment="Left" Margin="10,212,0,0" VerticalAlignment="Top" Width="213" Grid.Row="1" Click="MonthWiev_Click" Visibility="Collapsed"/>
            <Button x:Name="EditButton" Content="Edit" HorizontalAlignment="Left" Margin="372,98,0,0" Grid.Row="1" VerticalAlignment="Top" Width="213" Click="EditButton_Click" Visibility="Collapsed"/>
        </Grid>

    </Grid>
</Page>