UserUpdatePass.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class UserUpdatePass : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["studentid"] == null)
            {
                Response.Redirect("UserLogin.aspx");
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (password1.Value.ToString().Trim() != password2.Value.ToString().Trim())
        {
            Response.Write("<script>alert('两次密码不一至，请确认');</script>");
            return;
        }
        if (password.Value.ToString().Trim() != Session["mima"].ToString())
        {
            Response.Write("<script>alert('原密码不正确');</script>");
            return;
        }
        string strsql = "Update yonghu set mima ='" + password1.Value.ToString().Trim() + "' where ID=" + Session["studentid"].ToString() + "";
        int result2;
        sqlConn conn = new sqlConn();
        result2 = conn.hsgexucute(strsql);
        if (result2 == 1)
        {
            Session["mima"] = password1.Value.ToString().Trim();
            Response.Write("<script>javascript:alert('修改成功');</script>");
        }
        else
        {
            Response.Write("<script>javascript:alert('系统错误');</script>");
        }
    }
}