当访问默认首页default
aspx时
会自动跳转到login
aspx页面上请求登录
随便输入用户名和密码
点击“登录”按钮
会回到首页
并显示当前登录的用户名
Webconfig
复制代码 代码如下:
<configuration>
<system
web>
<compilation debug="true"/>
<authentication mode="Forms">
<forms loginUrl="login
aspx" name = "
ASPXFORMSAUTH" />
</authentication>
<authorization>
<deny users="?"/>
</authorization>
</system
web>
</configuration>
defaultaspx
复制代码 代码如下:
<HTML>
<HEAD>
<TITLE>首页</TITLE>
<script language="VB" runat="server">
Sub Page_Load(Sender As Object
e As EventArgs)
Message
Text = String
Format("你好
{
}"
Context
User
Identity
Name)
End Sub
sub btnSignout_Click(Sender as Object
E as EventArgs)
FormsAuthentication
SignOut()
Response
Redirect("login
aspx")
end sub
</script>
</HEAD>
<BODY>
<asp:label id="Message" runat="server"/>
<br>
<form method="post" runat="server">
<asp:button id="btnSignout" Text="退出登录" runat="server" OnClick="btnSignout_Click"/>
</form>
</BODY>
</HTML>
loginaspx
复制代码 代码如下:
<HEAD>
<TITLE>首页</TITLE>
<script lanugage="c#" runat="server">
private void Page_Load(object sender EventArgs e)
{
if (RequestIsAuthenticated)
ResponseRedirect("defaultaspx");
}
void btnLogin_Click(Object sender EventArgs e)
{
if (txtUsernameText != null && txtUsernameText != StringEmpty && txtPasswordText != null && txtPasswordText != StringEmpty)
FormsAuthenticationRedirectFromLoginPage(txtUsernameText true);
else
lblErrorText = "错误的用户名/密码";
}
</script>
</HEAD>
<BODY>
<form method="post" runat="server">
<asp:Label id="lblUsername" runat="server" Text="用户名"/>
<asp:Textbox id="txtUsername" runat="server"/>
<br>
<br>
<asp:Label id="lblPassword" runat="server" Text="密码"/>
<asp:Textbox id="txtPassword" runat="server" TextMode="password"/>
<br>
<asp:button id="btnLogin" runat="server" Text="登录" OnClick="btnLogin_Click" />
</form>
<hr>
<br>
<asp:Label id="lblError" forecolor="red" runat="server"/>
</BODY>
</HTML>
