怎么写判断用户是否登录
如图当我输入“朱洪涛的”时候,点击进入论坛就会弹出“欢迎朱洪涛会员”。
Default.aspx代码为
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="请输入会员名称:"></asp:Label>
<asp:TextBox ID="TextBox1" runat="server" ></asp:TextBox>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="进入论坛" />
</div>
</form>
</body>
</html>
Default.aspx.csusing System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
public partial class _Default : System.Web.UI.Page
{
/* protected void Page_Load(object sender, EventArgs e)
{
string mc = BS201102.DSQL.GetDataFieldBySearch("select mc from cs1");
BS201102.Other.MyControl.Alerts(mc);
}
* */
protected void Button1_Click(object sender, EventArgs e)
{
BS201102.Other.MyControl.Alerts("欢迎朱洪涛会员!");
}
}
--------------------编程问答-------------------- 利用session啊,网上很多的 --------------------编程问答-------------------- 用session保存. --------------------编程问答-------------------- 利用cookie(“登陆标志”),赋值:登陆为“1”,未登陆为“0”
需要的时候取cookie(“登陆标志”)的值,进行判断就可以了 --------------------编程问答-------------------- 给你点代码,网上都有
/// <summary>
/// Cookie赋值
/// </summary>
/// <param name="strName"></param>
/// <param name="strValue"></param>
/// <param name="strDay"></param>
/// <returns></returns>
public static bool setCookie(string strName, string strValue, int strDay)
{
try
{
HttpCookie Cookie = new HttpCookie(strName);
Cookie.Expires = DateTime.Now.AddDays(strDay);
Cookie.Value = strValue;
System.Web.HttpContext.Current.Response.Cookies.Add(Cookie);
return true;
}
catch {
return false;
}
}
/// <summary>
/// Cookie读取
/// </summary>
/// <param name="strName"></param>
/// <returns></returns>
public static string getCookie(string strName)
{
HttpCookie Cookie = System.Web.HttpContext.Current.Request.Cookies[strName];
if (Cookie != null)
return Cookie.Value.ToString();
else
return null;
}
除此之外,用Session["登陆标志"]来保存登陆情况也可以 --------------------编程问答-------------------- 用一個session來保存就可以了 --------------------编程问答-------------------- 用session保存变量 --------------------编程问答--------------------
不敢保证对。我是菜鸟
UserCookie["name"]=username;
UserCookie.Expires=DateTime.Now.AddDays(1);
Response.Cookies.Add(UserCookie);
补充:.NET技术 , C#