Manage/editpwd.aspx.cs

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

public partial class Manage_editpwd : System.Web.UI.Page
{
    private SqlHelper shp = new SqlHelper("XS");
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["Uname"] == null || Session["Uname"].ToString() == "")
        {
            Response.Write("<script>parent.location.href='login.aspx'</script>");
        }
        if (!IsPostBack)
        {
            
        }
    }
    protected void changeBT_Click(object sender, EventArgs e)
    {
        string username = Session["Uname"].ToString();
        int count = 0;
        string selsql = "select count(*) from XS_Manager where username='" + username + "' and loginpwd='" + this.oldpwd.Value + "'";
        using (SqlDataReader dr = shp.ExecuteReader(selsql))
        {
            if (dr.Read())
            {
                count = Int32.Parse(dr[0].ToString());
            }
        }
        shp.CloseDB();
        if (count == 0)
        {
            ShowJsMsg("旧密码错误");
        }
        else
        {
            string updatesql = "update XS_Manager set loginpwd='" + this.newpwd.Value + "' where username='" + username + "'";
            shp.ExecuteNonQuery(updatesql);
            ShowJsMsg("密码修改成功");
        }
    }
    public void ShowJsMsg(string msg)
    {
        this.ClientScript.RegisterStartupScript(this.GetType(), "message",
            "<script type='text/javascript' defer='defer'>alert('" + msg + "');</script>");
    }
}