ucuserstatus.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 webvisitStatistic;

public partial class Control_UCUserStatus : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
		if (!IsPostBack)
		{
			String uname;
			SessionHelp.GetUserStatus(Session, out uname);
			//　用户名不可以等于'游客'
			userName.Text = (null == uname) ? "游客" : uname;
			if (null == uname)
			{
				userName.Text = "游客";
				btLogInOrOut.Text = "登陆";
				btLogInOrOut.CommandName = "login";
				btLogInOrOut.ToolTip = "登陆访问统计";
				btLogInOrOut.BorderColor = System.Drawing.Color.Lime;
			}
			else
			{
				userName.Text = uname;
				btLogInOrOut.Text = "退出";
				btLogInOrOut.CommandName = "logout";
				btLogInOrOut.ToolTip = "退出当前站点";
				btLogInOrOut.BorderColor = System.Drawing.Color.Red;
			}
		}
    }

	protected void OnCommand(object sender, System.Web.UI.WebControls.CommandEventArgs e)
	{
		if ("login" == e.CommandName)
		{
			Response.Redirect("Login.aspx");
		}
		else if ("logout" == e.CommandName)
		{
			SessionHelp.SetUserStatus(Session, null);
			Response.Redirect("Login.aspx");
		}
	}
}