pt_oil_ticket.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 PT_Oil_Ticket : Form
    {
        public PT_Oil_Ticket()
        {
            InitializeComponent();
        }

        private void label19_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnCheck_Click(object sender, EventArgs e)
        {
            string CheckCarNumber = this.text_CheckCarNumber.Text.ToString().Trim();
            string CheckCarName = this.text_CheckCarName.Text.ToString().Trim();
            DateTime TimeCarCheck = Convert.ToDateTime(this.dateTimeCarCheck.Value.ToShortDateString());
            DateTime TimeOilCheck = Convert.ToDateTime(this.dateTimeOilCheck.Value.ToShortDateString());
            string sqlstr = "select oilticket_id as 序号,oilticket_number as 车牌号,oilticket_namer as 姓名 ,oilticket_price as 车票单价,oilticket_count as 车票数量,oilticket_total as 车票钱数,oilticket_time as 车票输入时间,oilticket_aver as 耗油单价,oilticket_avercount as 总耗油量,oilticket_avertotal as 耗油总钱数,oilticket_avertime as 耗油输入时间 from db_oilticket 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 (CheckCarNumber != "")
            {
                sqlstr = sqlstr + "and oilticket_number = '" + CheckCarNumber + "'";
                this.textAverTicket.Text = avgTicket1().ToString();
                this.textAverOil.Text = avgOil1().ToString();

            }
            if (CheckCarName != "")
            {
                sqlstr = sqlstr + "and oilticket_namer = '" + CheckCarName + "'";

            }
            if (dateTimeCarCheck.Checked)
            {
                sqlstr = sqlstr + "and oilticket_time = '" + TimeCarCheck + "'";

            }
            if (dateTimeOilCheck.Checked)
            {
                sqlstr = sqlstr + "and oilticket_avertime = '" + TimeOilCheck + "'";

            }
            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.dataGridView5.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
        }
        private int avgTicket()
        {
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_total) from db_oilticket ";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgOil()
        {
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_avercount) from db_oilticket ";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgTicket1()
        {
            string CheckCarNumber = this.text_CheckCarNumber.Text.ToString().Trim();
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_total) from db_oilticket where oilticket_number = '" + CheckCarNumber + "' ";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgOil1()
        {
            string CheckCarNumber = this.text_CheckCarNumber.Text.ToString().Trim();
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_avercount) from db_oilticket where oilticket_number = '" + CheckCarNumber + "'";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgTicket2()
        {
            string CheckCarName = this.text_CheckCarName.Text.ToString().Trim();
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_total) from db_oilticket where oilticket_namer = '" + CheckCarName + "' ";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgOil2()
        {
            string CheckCarName = this.text_CheckCarName.Text.ToString().Trim();
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_avercount) from db_oilticket where oilticket_namer = '" + CheckCarName + "'";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgTicket3()
        {
            DateTime TimeCarCheck = Convert.ToDateTime(this.dateTimeCarCheck.Value.ToShortDateString());
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_total) from db_oilticket where oilticket_time = '" + TimeCarCheck + "' ";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgOil3()
        {
            DateTime TimeCarCheck = Convert.ToDateTime(this.dateTimeCarCheck.Value.ToShortDateString());
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_avercount) from db_oilticket where oilticket_time = '" + TimeCarCheck + "'";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgTicket4()
        {
            DateTime TimeOilCheck = Convert.ToDateTime(this.dateTimeOilCheck.Value.ToShortDateString());
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_total) from db_oilticket where oilticket_avertime = '" + TimeOilCheck + "' ";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }
        private int avgOil4()
        {
            DateTime TimeOilCheck = Convert.ToDateTime(this.dateTimeOilCheck.Value.ToShortDateString());
            string dl = ConfigurationManager.AppSettings["sqlString"];
            SqlConnection con = new SqlConnection(dl);
            con.Open();
            string sql = "select Avg(oilticket_avercount) from db_oilticket where oilticket_avertime = '" + TimeOilCheck + "'";
            SqlCommand cmd = new SqlCommand(sql, con);
            object val = cmd.ExecuteScalar();
            if (val == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(val);
            }
        }

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