BPASmartClient/BPASmartClient.Academy/View/HistoryChartView.xaml

<UserControl x:Class="BPASmartClient.Academy.View.HistoryChartView"
             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:BPASmartClient.Academy.View"
             xmlns:vm ="clr-namespace:BPASmartClient.Academy.ViewModel"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <UserControl.DataContext>
        <vm:HistoryChartViewModel/>
    </UserControl.DataContext>
    <Grid>
            
    </Grid>
</UserControl>