修改密码

[c#]代码库

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

using Common;
using System.Data.SqlClient;

namespace Pos
{
    public partial class frmPwdChange : Form
    {
        public frmPwdChange()
        {
            InitializeComponent();
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            if (txtNew.Text != txtConfirm.Text)
            {
                MessageBox.Show("您输入的新密码与确认密码不一致！", "友好提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }

            string strsql = string.Format("select User_pwd from cen_user where User_code='{0}'", PUser.UserCode);
            DataSet  ds = SQLHelper.ExecuteDataSet(strsql);
            if (ds.Tables[0].Rows[0]["User_pwd"].ToString() == txtOld.Text)
            {
                string strsql2 = string.Format("update cen_user set User_pwd='{0}' where User_code='{1}'", txtNew.Text, PUser.UserCode );
                SQLHelper.ExecuteNonQuery(strsql2);
                MessageBox.Show("密码修改成功！", "友好提示", MessageBoxButtons.OK, MessageBoxIcon.Information);

            }
            else
            {
                MessageBox.Show("您输入的旧密码不对！", "友好提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }
           
            this.Close();
        }

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

[代码运行效果截图]