DyeingComputer/View/ProgramgroupView.xaml.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using static DyeingComputer.UserClass.SqliteHelper;

namespace DyeingComputer.View
{
    /// <summary>
    /// ProgramgroupView.xaml 的交互逻辑
    /// </summary>
    public partial class ProgramgroupView : UserControl
    {
        public ProgramgroupView()
        {
            InitializeComponent();
            Programgroup_sql();
        }

        private SQLiteHelper SQLiteHelpers = null;  //定义数据库
        private readonly string DBAddress = Environment.CurrentDirectory + "\\DataBase\\800COMPUTER.db";  //数据库路径
        DataSet sql; //内存数据缓存

        public void Programgroup_sql()
        {
            SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
            SQLiteHelpers.Open();  //打开数据库

            string sql_script = "select * from ProgramName";

            if (sql != null) sql.Clear();  //清空缓存
            sql = SQLiteHelpers.ExecuteDataSet(sql_script, null);  //读取计划表写入缓存
            if (sql != null) Grid.ItemsSource = sql.Tables[0].DefaultView;  //转换显示计划表

            SQLiteHelpers.Close();  //关闭连接

            //sql.Clear();  //清除缓存
            //System.GC.Collect();
        }

        private void Grid_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {

        }

        private void ProgramgroupView_lock_Click(object sender, RoutedEventArgs e)
        {

        }

        private void ProgramgroupView_new_Click(object sender, RoutedEventArgs e)
        {

        }

        private void ProgramgroupView_del_Click(object sender, RoutedEventArgs e)
        {

        }

        private void ProgramgroupView_Rename_Click(object sender, RoutedEventArgs e)
        {

        }

        private void ProgramgroupView_Remark_Click(object sender, RoutedEventArgs e)
        {

        }
    }
}