登录页面逻辑修改

Login.xaml

@@ -16,10 +16,10 @@
                 <ImageBrush ImageSource="/sunlight_logotext.jpg"/>
             </Rectangle.Fill>
         </Rectangle>
-        <ComboBox x:Name="User" IsTextSearchEnabled ="False"  Height="24" Margin="60,164,10,0" VerticalAlignment="Top" FontSize="14" KeyUp="SearchBox_OnKeyDownd"/>
-        <PasswordBox x:Name="Pasword" Height="24" Margin="60,210,10,0" VerticalAlignment="Top" FontSize="14" KeyUp="SearchBox_OnKeyDownd"/>
-        <TextBlock HorizontalAlignment="Left" Height="26" Margin="10,163,0,0" TextWrapping="Wrap" Text="账号:" VerticalAlignment="Top" Width="45" FontSize="20" RenderTransformOrigin="0.833,0.478"/>
-        <TextBlock HorizontalAlignment="Left" Height="26" Margin="10,208,0,0" TextWrapping="Wrap" Text="密码:" VerticalAlignment="Top" Width="45" FontSize="20" RenderTransformOrigin="0.833,0.478"/>
+        <ComboBox x:Name="User" Height="30" Margin="60,164,10,0" VerticalAlignment="Top" FontSize="14" KeyUp="SearchBox_OnKeyDownd" IsEditable="True"/>
+        <PasswordBox x:Name="Pasword" Height="30" Margin="60,210,10,0" VerticalAlignment="Top" FontSize="14" KeyUp="SearchBox_OnKeyDownd"/>
+        <TextBlock HorizontalAlignment="Left" Height="30" Margin="10,163,0,0" TextWrapping="Wrap" Text="账号:" VerticalAlignment="Top" Width="45" FontSize="20" RenderTransformOrigin="0.833,0.478"/>
+        <TextBlock HorizontalAlignment="Left" Height="30" Margin="10,208,0,0" TextWrapping="Wrap" Text="密码:" VerticalAlignment="Top" Width="45" FontSize="20" RenderTransformOrigin="0.833,0.478"/>
         <Button x:Name="logon" Content="登录" HorizontalAlignment="Left" Height="33" Margin="40,264,0,0" VerticalAlignment="Top" Width="64" Click="Button_Click_1" Background="#FFDDDDDD" Foreground="Black" BorderBrush="White"/>
         <Button Content="退出" HorizontalAlignment="Right" Height="33" Margin="140,264,40,0" VerticalAlignment="Top" Width="64" Click="Button_Click" Background="#FFDDDDDD" Foreground="Black" BorderBrush="White"/>
         <TextBlock Height="30" Margin="15,115,15,0" TextWrapping="Wrap" Text="尚彩中央控制平台" VerticalAlignment="Top" FontSize="20" HorizontalAlignment="Center"/>

Login.xaml.cs

@@ -40,7 +40,8 @@ namespace SunlightCentralizedControlManagement_SCCM_
         {
             string user = User.Text;
             string pasword = Pasword.Password; ;
-
+            try
+            {
                 if (User.Text == "")    //检查用户名输入
                 {
                     System.Windows.MessageBox.Show(Properties.Resources.NPERR, "SCCM", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -80,6 +81,11 @@ namespace SunlightCentralizedControlManagement_SCCM_
                     }
                 }
             }
+            catch (Exception)
+            {
+                System.Windows.MessageBox.Show(Properties.Resources.NPERR, "SCCM", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
 
         private void SearchBox_OnKeyDownd(object sender, System.Windows.Input.KeyEventArgs e)  //回车跳转功能
         {
@@ -96,7 +102,7 @@ namespace SunlightCentralizedControlManagement_SCCM_
             logon.IsEnabled = false;
             SQLiteHelper db = new SQLiteHelper(DBAddress); //数据库连接路径            
             db.Open();  //打开数据库
-            logindataTable = db.ExecuteDataSet("select * from USER", null).Tables[0];  //读取表写入缓存           
+            logindataTable = db.ExecuteDataSet("select * from USER where Groups<>'CHIEF'", null).Tables[0];  //读取表写入缓存           
             db.Close(); 
             User.ItemsSource = logindataTable.AsEnumerable().Select(rowdata => rowdata.Field<string>("Name"));//转换   
             logon.IsEnabled = true;  //允许登录按钮

MainWindow.xaml.cs

@@ -206,11 +206,14 @@ namespace SunlightCentralizedControlManagement_SCCM_
         }
 
         private void Window_Loaded(object sender, RoutedEventArgs e)//打开页面
+        {
+            if (App.USER_Purview != "ENGINEER")
             {
                 username.ItemsSource = MainWindowViewModel.USER_data.Select(
                "Groups='" + MainWindowViewModel.USER_data.Select("Name='" + App.USER_Purview + "'").
                First().Field<string>("Groups").ToString() + "'").
                AsEnumerable().Select(rowdata => rowdata.Field<string>("Name")).ToList();
+            }
             username.Text = App.USER_Purview;
         }
     }