BookManager/frmAdmin/frmChangePwd.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using BLL;

namespace BookManager.frmAdmin
{
    public partial class frmChangePwd : Form
    {
        private string login;
        public frmChangePwd()
        {
            InitializeComponent();
        }
        public frmChangePwd(string login)
        {
            this.login = login;
            InitializeComponent();
        }

        private void frmChangePwd_Load(object sender, EventArgs e)
        {
            txtUserId.Text = login;
            txtUserId.Enabled = false;
        }

        private void btnOk_Click(object sender, EventArgs e)
        {
            string adminId = txtUserId.Text;
            string oldPwd = txtOldPwd.Text;
            string newPwd = txtnewPwd.Text;
            string checkPwd = txtcheckPwd.Text;
            AdminBLL adminBLL = new AdminBLL();
            try {//判断原始密码是否正确
                if (adminBLL.checkPwd(adminId, oldPwd)) {                   
                    //判断新密码和确认密码是否一致
                    if (newPwd != checkPwd)
                    {
                        MessageBox.Show("密码不一致，请确认！");
                    }
                    else { 
                        //修改密码
                        if (adminBLL.changePwd(adminId, newPwd))
                        {
                            MessageBox.Show("密码修改成功！");
                            this.Dispose();
                        }
                        else {
                            MessageBox.Show("密码修改失败！");
                        }
                    }
                }
            }
            catch (Exception ex) {
                MessageBox.Show(ex.Message);