studentchangepassword.aspx.cs

本系统实现了网上考试的目的

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;

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

    }
    protected void imbtnOK_Click(object sender, ImageClickEventArgs e)
    {
         string studentId = Convert.ToString(Session["UserID"]);
        string studentPwd = tbOldpassword.Text.Trim();
        string newPwd1 = tbNewpassword.Text.Trim();
        string newPwd2 = tbPasswordOK.Text.Trim();
        if (newPwd1 == "" || newPwd2 == "")
            Response.Write("<script>alert(\"密码不能为空\");</script>");
        else
        {
            int count = (new UserDB()).getStudent(studentId, studentPwd);
            if (count == 0)
            {
                Response.Write("<script>alert(\"密码错误!请重新输入\");</script>");
            }
            else
            {
                if (!newPwd1.Equals(newPwd2))
                    Response.Write("<script>alert(\"两次密码不一致!请重新输入!\");</script>");
                else
                {
                    int count1 = (new UserDB()).updateStudentPwd(studentId,newPwd1);
                    if (count1 == 1)
                        Response.Write("<script>alert(\"密码修改成功!\");</script>");
                    else Response.Write("<script>alert(\"更新失败!\");</script>");
                }
            }
        }
    }
    
}