update_pwd.aspx.cs

asp.net程序设计实用教程(C#描述) 作者：石志国

using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using nsShop;            //因为用到了自定义业务对象，所以导入

public class update_pwd: System.Web.UI.Page
{
	public TextBox txtUserPWDold,txtUserPWD,txtUserPWD2 ;
	public Button Enter;
	public Label lblMessage ;

	public void Page_Load(Object Sender,EventArgs E )
	{
		if (! Page.IsPostBack )
		{
			//利用DataUser对象，返回原来的值
			DataUser du = new DataUser(Convert.ToString(Session["UserId"]));
			txtUserPWDold.Text = du.UserPWD;
		}
	}

	public void Enter_Click(Object Sender,EventArgs E )
	{
		String strUserId,strOldPWD,strNewPWD ;
		strUserId = Convert.ToString(Session["UserId"]);
		strOldPWD = txtUserPWDold.Text;
		strNewPWD = txtUserPWD.Text;
		//调用函数更新密码
		DataUsers dus = new DataUsers();
		if( dus.UpdatePWD(strUserId,strOldPWD,strNewPWD)== true )
		{
			Response.Redirect("../index.aspx")	;
		}
		else
		{
			lblMessage.Text = "旧密码错误";
		}
	}
}