jl_person_message.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 JL_Person_Message : Form
    {
        public JL_Person_Message()
        {
            InitializeComponent();
        }
        #region 关闭窗体
        private void label19_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        #endregion
        #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 user_account as 员工帐号,user_name as 员工姓名,user_pwd as 密码,user_power as 权限,user_money as 基本工资,user_remark as 备注 from db_User ";
            //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.GridViewPerson.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
            GridViewPerson.Columns[0].Width = 80;
            GridViewPerson.Columns[1].Width = 80;
            GridViewPerson.Columns[2].Width = 80;
            GridViewPerson.Columns[3].Width = 80;
            GridViewPerson.Columns[4].Width = 80;
            GridViewPerson.Columns[4].Width = 120;
        }
        #endregion
        #region gridviewcarresult方法调用所有库中信息
        private void gridviewcarresult()
        {
            //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 user_account as 员工帐号,user_name as 员工姓名,user_power as 权限,user_money as 基本工资,user_remark as 备注 from db_User ";
            //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.GridViewPersonResult.DataSource = ds.Tables[0].DefaultView;
            //关闭连接
            con.Close();
            GridViewPerson.Columns[0].Width = 80;
            GridViewPerson.Columns[1].Width = 80;
            GridViewPerson.Columns[2].Width = 80;
            GridViewPerson.Columns[3].Width = 80;
            GridViewPerson.Columns[4].Width = 120;
        }
        #endregion
        #region 添加按钮
        private void btnUserAdd_Click(object sender, EventArgs e)
        {
            //定义录入控件的参数
            string Number = this.textNumber.Text.ToString().Trim();
            string UserName = this.textUserName.Text.ToString().Trim();
            string PassWord = this.textPassWord.Text.ToString().Trim();
            object Power = (object)this.textPower.SelectedItem.ToString().Trim();
            string UserMoney = this.textUserMoney.Text.ToString().Trim();
            string UserRemark = this.textUserRemark.Text.ToString().Trim();
            if (Number != "")
            {
                if (UserRemark != "")
                {
                    if (UserName != "")
                    {
                        if (PassWord != "")
                        {
                            if (UserMoney != "")
                            {
                                ////打开连接
                                SqlConnection con = Car.SqlConnection();
                                con.Open();
                                //创建sql语句将信息入库          
                                string sql1 = "select user_account from db_User where user_account = '" + Number + "'";
                                //创建执行对象cmd
                                SqlCommand cmd = new SqlCommand(sql1, con);
                                //返回受影响的数据
                                SqlDataReader dr = cmd.ExecuteReader();
                                if (dr.Read())
                                {
                                    MessageBox.Show("该编号已经存在，请重新选择");
                                }
                                else
                                {
                                    //关闭datareader
                                    dr.Close();
                                    string sql = "insert into db_User(user_account,user_pwd,user_power,user_name,user_money,user_remark)values('" + Number + "','" + PassWord + "','" + Power + "','" + UserName + "','" + UserMoney + "','" + UserRemark + "')";
                                    Car.ADU(sql);
                                    //调用gridviewcar方法
                                    this.gridviewcar();
                                    con.Close();
                                    MessageBox.Show("添加成功");
                                    this.textNumber.Clear();
                                    this.textUserName.Clear();
                                    this.textPassWord.Clear();
                                    this.textUserMoney.Clear();
                                    this.textUserRemark.Clear();
                                }
                            }
                            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");
            }
            
            
        }
        #endregion
        #region 页面加载
        private void JL_Person_Message_Load(object sender, EventArgs e)
        {
            this.textPower.SelectedItem = "经理";
            this.gridviewcar();
            this.btnUserAdd.Focus();
        }
        #endregion
        #region 清空按钮
        private void btnUserClear_Click(object sender, EventArgs e)
        {
            this.textCheckUserName.Clear();
            this.textCheckNumber.Clear();
        }
        #endregion
        #region 查询按钮
        private void btnUserCheck_Click(object sender, EventArgs e)
        {
            string CheckNumber = this.textCheckNumber.Text.ToString().Trim();
            string CheckUserName = this.textCheckUserName.Text.ToString().Trim();
            //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