Teacher/ModifyPwd.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 ModifyPwd : System.Web.UI.Page
{
    Alert alert = new Alert();
    data data = new data();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {


        }
    }/// <summary>
    /// 修改密码
    /// </summary>
    private void UPpwd()
    {
        data mydata = new data();
        string name = Session["UserName"].ToString();
        try
        {
            mydata.RunSql("update Teacher  set pwd ='" + data.GetMD5(txtpwd2.Text) + "' where UserName='" + name + "'");



            Label4.Text = "修改成功！";


        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
            //Label4.Text = "修改失败！";
        }
    }
    /// <summary>
    /// 检验原来的密码
    /// </summary>
    private void chkpwd()
    {
        SqlDataReader dr;
        dr = data.GetDataReader("select * from  Teacher  where UserName='" + Session["UserName"].ToString() + "' and pwd='" + data.GetMD5(txtpwd1.Text) + "'");
        if (dr.Read())
        {
            UPpwd();
        }
        else
        {
            Label4.Text = "原密码不正确！";