student/StuChangePwd.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;

public partial class student_StuChangePwd : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        SetCookies.SetSession();
        if (Session["ID"] == null)
        {
            Response.Redirect("../Login.aspx");
        }
    }
    protected void btnchange_Click(object sender, EventArgs e)
    {
        SetCookies.SetSession();
        if (txtNewPwd.Text == "" || txtNewPwdA.Text == "" || txtOldPwd.Text == "")
        {
            MessageBox.Show("请将信息填写完整");
            return;
        }
        else
        {
            string password = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(txtOldPwd.Text.Trim(), "md5");
            if (BaseClass.CheckStudent(Session["ID"].ToString(), password))
            {
                if (txtNewPwd.Text.Trim() != txtNewPwdA.Text.Trim())
                {
                    MessageBox.Show("两次密码不一致");
                    return;
                }
                else
                {
                    string newpassword = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(txtNewPwdA.Text.Trim(), "md5");
                    string strsql = "update tb_Student set StudentPwd=@pwd where StudentNum='" + Session["ID"].ToString() + "'";
                    SqlParameter[] sp = new SqlParameter[1];
                    sp[0] = new SqlParameter("@pwd", newpassword);
                   int count= PetShop.DBUtility.SqlHelper.ExecuteNonQuery(BaseClass.DBCon(), CommandType.Text, strsql, sp);
                   if (count > 0)
                   {
                       MessageBox.Show("密码修改成功");
                       txtNewPwd.Text = "";
                       txtNewPwdA.Text = "";
                       txtOldPwd.Text = "";
                   }
                   else
                   {
                       MessageBox.Show("密码修改失败");
                   }
                }
            }