任务计划页面修改，登录页面修改

WindowsView/User.xaml.cs

@@ -8,6 +8,7 @@ using System.Text.RegularExpressions;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
+using System.Xml.Linq;
 
 namespace SunlightCentralizedControlManagement_SCCM_.WindowsView
 {
@@ -113,7 +114,10 @@ namespace SunlightCentralizedControlManagement_SCCM_.WindowsView
 
         private void Button_Delete(object sender, RoutedEventArgs e)//删除按钮事件
         {
-          
+            SQLiteHelpers = new UserClass.SqliteHelper.SQLiteHelper(DBAddress); //数据库连接路径
+            SQLiteHelpers.Open();  //打开数据库
+            SQLiteHelpers.Delete("USER", "Name='" + _Name.Text + "'", null);
+            SQLiteHelpers.Close();
         }
     }
 }