/// <summary>
/// 获取QQ当前状态（1：在线，0：不在线，-1：不存在）
/// </summary>
/// <param name="qq">qq号</param>
/// <returns></returns>
public static int GetQQState(long qq)
{
WebClient client = new WebClient();
byte[] data;
try { data = client.DownloadData("http://wpa.qq.com/pa?p=1:" + qq.ToString() + ":1"); }
catch { data = new byte[0]; }
switch (data.Length)
{
case 2329:
return 1;
break;
case 2262:
return 0;
break;
case 0:
return -1;
break;
default:
return -1;
break;
}
}
本文来自CSDN博客，转载�
1.数据库文件连接
<add name="LocalSqlServer" connectionString="Data
Source=.\SQLExpress;Integrated
Security=True;
AttachDBFilename=|DataDirectory|TimeTracker.mdf;User
Instance=true" />
一. integrated security=true为windows用户验证，而为f ......
Step 1：新建数据库(库：MyForms ；表：users ；字段：ID，userName, userPwd)；
Step 2：新建网站，web.config 的文件全部代码如下：
web.config 的全部代码
<?xml version="1.0"?>
<configuration>
<appSettings/>
<connectionStrings/>
......
