userlogininfo.ascx.cs

来自「《精通ASP.NET2.0网络应用系统开发》书中的源码」· CS 代码 · 共 55 行

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 BookShop;

public partial class UserLoginInfo : System.Web.UI.UserControl
{
	public string UserName = "";
	public int Number = 0;

    protected void Page_Load(object sender, EventArgs e)
    {
		if (Session["UserID"] == null || Session["UserName"] == null)
		{
			return;
		}
		if (!Page.IsPostBack)
		{
			Number = 0;
			UserName = Session["UserName"].ToString();
			ViewShopCount();
		}
    }

	private void ViewShopCount()
	{
		if (Session[Session.SessionID + ASPNET2System.ShoppingCart] != null)
		{
			OrderFormInformation order = (OrderFormInformation)Session[Session.SessionID + ASPNET2System.ShoppingCart];
			for (int i = 0;i < order.OrderItemList.Count;i++)
			{
				Number += ((OrderItemInformation)order.OrderItemList[i]).Number;
			}
		}
	}

	protected void LogoutBtn_Click(object sender,ImageClickEventArgs e)
	{
		///清空用户登录信息
		Session["UserID"] = null;
		Session.Clear();
		Session.Abandon();

		///重新加载用户登录模块
		Response.Redirect("~/UserControls/UserLoginPage.aspx");
	}
}