cw_yuepiao.cs

此系统开发了一个公交车管理系统。系统根据权限的不同

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

namespace CarManage
{
    public partial class CW_Yuepiao : Form
    {
        public CW_Yuepiao()
        {
            InitializeComponent();
        }

        private void label19_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        #region  创建gridviewcar()方法调用所有库中信息
        private void gridviewcar()
        {
            //调用config配置文件对象dl连接对象
            string dl = ConfigurationManager.AppSettings["sqlString"];
            //创建connection对象con进行连接
            SqlConnection con = new SqlConnection(dl);
            //打开连接
            con.Open();
            //创建sql语句将信息从库中调出
            string sql = "select ticket_id as 序号,ticket_name as 姓名,ticket_aver as 月票单价,ticket_kind as 月票种类,ticket_count as 车票数量,ticket_money as 总金额,ticket_remark as 备注 from db_ticket";
            //创建执行对象cmd
            SqlCommand cmd = new SqlCommand(sql, con);
            //创建读取器对象sdr
            SqlDataAdapter sdr = new SqlDataAdapter();
            //sdr的查询方法为cmd
            sdr.SelectCommand = cmd;
            //创建一个dataset容器
            DataSet ds = new DataSet();
            //填充数据ds
            sdr.Fill(ds);
            //绑定datagriview数据源为ds
            this.GridViewticket.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
            this.text_ticketName.Clear();
            this.text_ticketAver.Clear();
            this.text_ticketCount.Clear();
            this.text_ticketMoney.Clear();
            this.text_ticketRemark.Clear();
            GridViewticket.Columns[0].Width = 80;
            GridViewticket.Columns[1].Width = 80;
            GridViewticket.Columns[2].Width = 80;
            GridViewticket.Columns[3].Width = 80;
            GridViewticket.Columns[4].Width = 80;
            GridViewticket.Columns[5].Width = 80;
            GridViewticket.Columns[6].Width = 80;
        }
        #endregion
        private void btnticketAdd_Click(object sender, EventArgs e)
        {
            string ticketName = this.text_ticketName.Text.ToString().Trim();
            string ticketAver = this.text_ticketAver.Text.ToString().Trim();
            string ticketKinds = this.text_ticketKinds.SelectedItem.ToString();
            string ticketCount = this.text_ticketCount.Text.ToString().Trim();
            string ticketMoney = this.text_ticketMoney.Text.ToString().Trim();
            string ticketRemark = this.text_ticketRemark.Text.ToString().Trim();
            if (ticketMoney != "")
            {
                if (ticketName != "")
                {
                    if (ticketAver != "")
                    {
                        if (ticketCount != "")
                        {
                            if (ticketRemark != "")
                            {
                                string sql = "insert into db_ticket(ticket_name,ticket_aver,ticket_kind,ticket_count,ticket_money,ticket_remark)values('" + ticketName + "','" + ticketAver + "','" + ticketKinds + "','" + ticketCount + "','" + ticketMoney + "','" + ticketRemark + "')";
                                Car.ADU(sql);
                                //调用gridviewcar方法
                                this.gridviewcar();
                                MessageBox.Show("添加成功");
                            }
                            else
                            {
                                MessageBox.Show("请将信息添加完整 ");
                            }
                        }
                        else
                        {

                            MessageBox.Show("请将信息添加完整 ");

                        }

                    }
                    else
                    {
                        MessageBox.Show("请将信息添加完整 ");
                    }

                }
                else
                {
                    MessageBox.Show("请将信息添加完整");
                }

            }
            else
            {
                MessageBox.Show("请将信息添加完整");
            }
        }

        private void btnCheck_Click(object sender, EventArgs e)
        {
            string ticketCheckName = this.text_ticketCheckName.Text.ToString().Trim();
            string ticketCheckKinds = this.text_ticketCheckKinds.SelectedItem.ToString();
            string sqlstr = "select ticket_id as 序号,ticket_name as 姓名,ticket_aver as 月票单价,ticket_kind as 月票种类,ticket_count as 车票数量,ticket_money as 总金额,ticket_remark as 备注 from db_ticket where 1=1";
            //调用config配置文件对象dl连接对象
            string dl = ConfigurationManager.AppSettings["sqlString"];
            //创建connection对象con进行连接
            SqlConnection con = new SqlConnection(dl);
            //打开连接
            con.Open();
            if (ticketCheckKinds != "--未选择--")
            {
                sqlstr = sqlstr + "and ticket_kind = '" + ticketCheckKinds + "'";

            }
            if (ticketCheckName != "")
            {
                sqlstr = sqlstr + "and ticket_name = '" + ticketCheckName + "'";

            }
            SqlCommand cmd = new SqlCommand(sqlstr, con);
            //创建读取器对象sdr
            SqlDataAdapter sdr = new SqlDataAdapter();
            //sdr的查询方法为cmd
            sdr.SelectCommand = cmd;
            //创建一个dataset容器
            DataSet ds = new DataSet();
            //填充数据ds
            sdr.Fill(ds);
            //绑定datagriview数据源为ds
            this.GridViewticketResult.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
        }

        private void btnClear_Click(object sender, EventArgs e)
        {
            this.text_ticketCheckName.Clear();
        }

        private void CW_Yuepiao_Load(object sender, EventArgs e)
        {
            this.gridviewcar();
            this.text_ticketKinds.SelectedItem = "成人";
            this.text_ticketCheckKinds.SelectedItem = "--未选择--";
        }
    }
}