Web/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 admin_Add : PageBase
{
    BS.BLL.admin bll = new BS.BLL.admin();
    BS.BLL.users bll2 = new BS.BLL.users();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
        
        }
    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {


        //声明数据集
        DataSet ds = null;
        //根据不同的用户，得到不用的用户信息
        if (Session["userpower"].ToString() == "读者")
        {
            ds = bll2.GetList(" uno='" + Session["userid"].ToString() + "' and pwd='" + txt_yhm.Text + "'");
        }
        else 
        {
            ds = bll.GetList(" aid=" + Session["userid"].ToString() + " and pwd='" + txt_yhm.Text + "'");
        }
        //判断原密码是否正确
        if (ds.Tables[0].Rows.Count > 0)
        {
            //更新新密码
            if (Session["userpower"].ToString() == "读者")
            {
               bll2.Update(" pwd='" + txt_mm.Text + "'"," uno='" + Session["userid"].ToString()+"' ");
            }
            else 
            {
                bll.Update(" pwd='" + txt_mm.Text + "' "," aid=" + Session["userid"].ToString() + " ");
            }
            Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('修改成功!');</script>");
        }
        else
        {
            Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('原密码不正确!');</script>");
        }
    }
}