添加了数据库相关了类，和枚举类型相关的类，并且将枚举类型绑定到前段

Resources/DevicesItemTemplateDictionary.xaml

@@ -4,7 +4,7 @@
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 
     <DataTemplate x:Key="DeviceItemTemplate">
-        <Border Background="#eee" CornerRadius="10" Padding="10" >
+        <Border Background="#eee" CornerRadius="10" Margin="3" Padding="10" >
             <ikw:SimpleStackPanel Spacing="10"   Width="300" Height="200">
                 <TextBlock FontSize="26" FontWeight="Bold" Text="{Binding Name }" />
                 <TextBlock Text="{Binding Description }" />