Merge branch 'master' of http://www.scserverddns.top:13000/sc/formula_manage

MainWindow.xaml

@@ -226,7 +226,7 @@
         <Button Content="确认" HorizontalAlignment="Right" Height="40" Width="80" Margin="0,0,140,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="confirm" Grid.Column="1"/>
         <Button Content="打印" HorizontalAlignment="Right" Height="40" Width="80" Margin="0,0,55,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="print" IsTabStop="False" Focusable ="False" Grid.Column="1"/>
         <Button x:Name="Save" Content="保存" IsEnabled="False" HorizontalAlignment="Left" Height="40" Width="80" Margin="15,0,0,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="save" IsTabStop="False" Focusable ="False"/>
-        <Button Content="删除" HorizontalAlignment="Left" Height="40" Width="80" Margin="100,0,0,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="delete" IsTabStop="False" Focusable ="False"/>
+        <Button x:Name="Delete" Content="删除" IsEnabled="False" HorizontalAlignment="Left" Height="40" Width="80" Margin="100,0,0,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="delete" IsTabStop="False" Focusable ="False"/>
 
         <Grid Grid.Column="1" Height="325" Margin="148,35,5,0" VerticalAlignment="Top" Background="#FFF7F7F7">
             <ContentControl x:Name="Deputy"/>

MainWindow.xaml.cs

@@ -364,6 +364,7 @@ namespace formula_manage
 
         private void delete(object sender, RoutedEventArgs e)
         {
+            Delete.IsEnabled = false;
         }
 
         private async void save(object sender, RoutedEventArgs e)  //保存按钮