cw_peijian.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_peijian : Form
    {
        public CW_peijian()
        {
            InitializeComponent();
        }

        private void label1_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        #region  创建gridviewcar()方法调用所有库中信息
        private void gridviewcar()
        {
            string goumai = "购买";
            //Car.connection(string sql);
            //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 fit_id as 序号,fit_style as 配件类型,fit_carkinds as 车型,fit_name as 配件名称,fit_price as 配件单价,fit_count as 配件数量,fit_totol as 总金额,fit_palce as 购买地址,fit_time as 购买时间 from db_fit where fit_style = '" + goumai + "'";
            //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.GridViewBuyFit.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
            GridViewBuyFit.Columns[0].Width = 80;
            GridViewBuyFit.Columns[1].Width = 80;
            GridViewBuyFit.Columns[2].Width = 80;
            GridViewBuyFit.Columns[3].Width = 80;
            GridViewBuyFit.Columns[4].Width = 80;
            GridViewBuyFit.Columns[5].Width = 80;
            GridViewBuyFit.Columns[6].Width = 80;
            GridViewBuyFit.Columns[7].Width = 80;
        }
        #endregion
        #region  创建gridviewcar1()方法调用所有库中信息

        private void gridviewcar1()
        {
            string BuyStyle = this.textBuyFitStyle.SelectedItem.ToString();
            //Car.connection(string sql);
            //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 fit_style as 配件类型,fit_carkinds as 车型,fit_name as 配件名称,fit_price as 配件单价,fit_count as 配件数量,fit_totol as 总金额,fit_palce as 购买地址,fit_time as 购买时间 from db_fit where fit_style = '" + BuyStyle + "'";
            //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.GridViewBuyFit.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
            GridViewBuyFit.Columns[0].Width = 80;
            GridViewBuyFit.Columns[1].Width = 80;
            GridViewBuyFit.Columns[2].Width = 80;
            GridViewBuyFit.Columns[3].Width = 80;
            GridViewBuyFit.Columns[4].Width = 80;
            GridViewBuyFit.Columns[5].Width = 80;
            GridViewBuyFit.Columns[6].Width = 80;
            GridViewBuyFit.Columns[7].Width = 80;
        }
        #endregion
        #region  创建gridviewcar2()方法调用所有库中信息
        private void gridviewcar2()
        {
            string shiyong = "使用";
            //Car.connection(string sql);
            //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 fit_id as 序号, fit_style as 配件类型,fit_carkinds as 车型,fit_name as 配件名称,fit_price as 配件单价,fit_count as 配件数量,fit_totol as 总金额 ,fit_time as 使用时间 from db_fit where fit_style = '" + shiyong + "' ";
            //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.GridViewUse.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
            GridViewUse.Columns[0].Width = 80;
            GridViewUse.Columns[1].Width = 80;
            GridViewUse.Columns[2].Width = 80;
            GridViewUse.Columns[3].Width = 80;
            GridViewUse.Columns[4].Width = 80;
            GridViewUse.Columns[5].Width = 80;
            GridViewUse.Columns[6].Width = 80;
        }
        #endregion
        #region  创建gridviewcar3()方法调用所有库中信息

        private void gridviewcar3()
        {
            //Car.connection(string sql);
            //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 fit_style as 配件类型,fit_carkinds as 车型,fit_name as 配件名称,fit_price as 配件单价,fit_count as 配件数量,fit_totol as 总金额 ,fit_palce as 购买地址,fit_time as 购买时间 from db_fit";
            //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.GridViewFitCheck.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
            GridViewUse.Columns[0].Width = 80;
            GridViewUse.Columns[1].Width = 80;
            GridViewUse.Columns[2].Width = 80;
            GridViewUse.Columns[3].Width = 80;
            GridViewUse.Columns[4].Width = 80;
            GridViewUse.Columns[5].Width = 80;
            GridViewUse.Columns[6].Width = 80;
            GridViewUse.Columns[7].Width = 80;
        }
        #endregion

        private void btnBuyFitAdd_Click(object sender, EventArgs e)
        {
            string BuyStyle = this.textBuyFitStyle.SelectedItem.ToString();
            string CarKinds = this.textCarKinds.Text.ToString().Trim();
            string BuyFitName = this.textBuyFitName.Text.ToString().Trim();
            string BuyFitAver = this.textBuyFitAver.Text.ToString().Trim();
            string BuyFitCount = this.textBuyFitCount.Text.ToString().Trim();
            string BuyFitMoney = this.textBuyFitMoney.Text.ToString().Trim();
            string BuyFitAddress = this.textBuyFitAddress.Text.ToString().Trim();
            DateTime BuyTime = Convert.ToDateTime(this.dateTimeBuy.Value.ToShortDateString());
            if (CarKinds != "")
            {
                if (BuyFitMoney != "")
                {
                    if (BuyFitName != "")
                    {
                        if (BuyFitAver != "")
                        {
                            if (BuyFitCount != "")
                            {
                                if (BuyFitAddress != "")
                                {
                                    string sql = "insert into db_fit(fit_style,fit_carkinds,fit_name,fit_price,fit_count,fit_totol,fit_palce,fit_time)values('" + BuyStyle + "','" + CarKinds + "','" + BuyFitName + "','" + BuyFitAver + "','" + BuyFitCount + "','" + BuyFitMoney + "','" + BuyFitAddress + "','" + BuyTime + "')";
                                    Car.ADU(sql);
                                    //调用gridviewcar方法
                                    this.gridviewcar();
                                    MessageBox.Show("添加成功");