440petSaleWeb/Web/admin/system/pass.aspx.cs

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 using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Text;
using System.Data.SqlClient;

public partial class pass : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

        }
    }

    /// <summary>
    /// 修改密码
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnSave_Click(object sender, EventArgs e)
    {    
                //判断两次密码输入是否一致，如果不一致，则弹出提示信息，并返回
        if (TextBox1.Text == TextBox2.Text)
        {
            PSD.BLL.admin bll = new PSD.BLL.admin();

            //判断原密码是否正确
            if (bll.Exists("  aid=" + Session["id"].ToString() + " and pwd='" + txt_pwd.Text + "'"))
            {
                //更新新密码
                bll.Update(" pwd='" + TextBox1.Text + "' "," aid=" + Session["id"].ToString());
                MessageBox.Show(this, "修改成功!");

            }
            else
            {
                MessageBox.Show(this, "原密码不正确!");
            }
        }
        else
        {
            MessageBox.Show(this, "两次密码输入不一致!");
        }

    }
}