orderinfo.cs

来自「订阅报刊的企业员工用户希望通过企业的系统更方便、快捷地订阅报刊」· CS 代码 · 共 72 行

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using 报刊管理.类;     //添加引用
using System.Data.SqlClient;

namespace 报刊管理.数据查询
{
    public partial class OrderInfo : Form
    {
        public OrderInfo()
        {
            InitializeComponent();
        }

        SqlBaseClass SqlClass = new SqlBaseClass();//声明数据库操作类的对象
        private void OrderInfo_Load(object sender, EventArgs e)
        {
            string Str_select = "SELECT DishID,UserID,NewspaperName,OrderNO,OrderNO*NewspaperPrice*PeriodOff*PeriodID,OrderTime,PeriodName,DishTime FROM UserPeriod WHERE UserID='" + PropertyClass.SendNameValue + "'";
            ListInfo(Str_select.ToString());
            SqlDataReader dr = SqlClass.GetReader(Str_select);
            dr.Read();
            if (!dr.HasRows)
            {
                MessageBox.Show("您没有下过订单！", "提示对话框", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
            dr.Close();
        }

        private void ListInfo(string SQL)
        {
            try
            {
                this.listView1.Items.Clear();
                SqlDataAdapter da = new SqlDataAdapter(SQL, SqlClass.GetCon());
                DataTable dt = new DataTable();
                da.Fill(dt);
                foreach (DataRow dr in dt.Rows)
                {
                    ListViewItem lv;
                    lv = new ListViewItem(dr[0].ToString());
                    lv.SubItems.Add(dr[1].ToString());
                    lv.SubItems.Add(dr[2].ToString());
                    lv.SubItems.Add(dr[3].ToString());
                    lv.SubItems.Add(dr[4].ToString());
                    lv.SubItems.Add(dr[5].ToString());
                    lv.SubItems.Add(dr[6].ToString());
                    lv.SubItems.Add(dr[7].ToString());
                    this.listView1.Items.Add(lv);
                }
            }
            catch { }

        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }





    }
}