Forms验证用户权限.

WebConfig配置

<system.web>
  <authentication mode="Forms">
    <forms loginUrl="login.aspx" />
  </authentication>
  <authorization>
    <deny user="?" /><!--禁止匿名访问-->
  </authorization>
</system.web>

//Logon.aspx

Logon_Click(Object sender,EventArgs e)

{

FormsAuthentication.RedirectFromLoginPage(username,IsCookie);
}

//LogonOut.aspx

LogonOut_Click(Object sender,EventArgs e)

{

FormsAuthentication.SignOut();
}