jl_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

                                                    {
                                                        //获取选中的行的信息
                                                        object row = (object)this.GridViewOil.CurrentRow.Cells[0].Value.ToString().Trim();
                                                        //创建sql语句将信息从库中调出
                                                        string sql = "update db_oilticket set oilticket_number ='" + CarNumber + "',oilticket_person = '"+PersonNumber+"', oilticket_namer ='" + Name + "' , oilticket_price='" + CarAver + "',oilticket_count = '" + CarCount + "',oilticket_total = '" + CarMoney + "',oilticket_time ='" + TimeCarAdd + "',oilticket_aver = '" + OilAver + "',oilticket_avercount = '" + OilCount + "',oilticket_avertotal ='" + OilMoney + "',oilticket_avertime ='" + TimeOilAdd + "' where oilticket_id ='" + row + "'";
                                                        Car.ADU(sql);
                                                        this.gridviewcar();
                                                        MessageBox.Show("修改成功");
                                                    }
                                                    else
                                                    {
                                                        MessageBox.Show("请选择要修改的选项 ");
                                                    }
                                                }
                                                else
                                                {
                                                    MessageBox.Show("请选择要修改的选项 ");
                                                }
                                            }
                                            else
                                            {
                                                MessageBox.Show("请选择要修改的选项 ");
                                            }
                                        }
                                        else
                                        {
                                            MessageBox.Show("请选择要修改的选项 ");
                                        }
                                    }
                                    else
                                    {
                                        MessageBox.Show("请选择要修改的选项 ");
                                    }
                                }
                                else
                                {

                                    MessageBox.Show("请选择要修改的选项 ");

                                }

                            }
                            else
                            {
                                MessageBox.Show("请选择要修改的选项 ");
                            }

                        }
                        else
                        {
                            MessageBox.Show("请选择要修改的选项");
                        }

                    }
                    else
                    {
                        MessageBox.Show("请选择要修改的选项");
                    }
                }
                else
                {
                    MessageBox.Show("请选择要修改的选项");
                }
            }

        }
        #endregion
        #region 查询
        private void btnCheck_Click(object sender, EventArgs e)
        {
            string Checknumber = this.text_Checknumber.Text.ToString().Trim();
            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_person as 工人编号,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 (Checknumber != "")
            {
                sqlstr = sqlstr + "and oilticket_person = '" + Checknumber + "'";

            }
            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.GridViewCheckOil.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
          
       
        }
        #endregion
        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);
            }
        }

        #region 清空
        private void btnClear_Click(object sender, EventArgs e)
        {
            this.text_Checknumber.Clear();
            this.text_CheckCarNumber.Clear();
            this.text_CheckCarName.Clear();
            this.textAverOil.Clear();
            this.textAverTicket.Clear();
        }
        #endregion


    }
}