转摘于:http://www.saike.org/QuickStartv20/util/srcview.aspx?path=~/aspnet/samples/ctrlref/login/LoginViewTemplates.src&file=Login_cs\LoginViewTemplates.aspx&lang=C%23+Source
http://www.saike.org/QuickStartv20/howto/
<%@ Page Language="C#" MasterPageFile="~/UserInfo.master" %>
<script language="C#" runat="server">
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
Label1.Text = "The Admin of the site is "
+ ((DropDownList)(LoginView1.FindControl("DropDownList1"))).SelectedItem.Text;
}
</script>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<h2>
LoginView Template Find Control Sample</h2>
This sample demonstrates how to find and retrieve a value from a control contained
in a LoginView template. In this example <b>log in as User2 and select a choice from
the drop down list displayed in the Admin template.</b>
<br />
<br />
<table cellpadding="8" width="90%">
<tr>
<td bgcolor="#ffffcc">
In this example the templates are in the following order:
<ol>
<li>Admins</li><li>Users</li><li>Customers</li><li>*Annonymous</li><li>*LoggedIn</li>
</ol>
</td>
<td width="10">
</td>
<td bgcolor="#ffccff" bordercolor="#cc00ff" valign="top">
In this example the templates are in the following order:
<ol>
<li>Admins</li><li>Customers</li><li>Users</li><li>*Annonymous</li><li>*LoggedIn</li>
</ol>
</td>
</tr>
<tr>
<td bgcolor="#ff00cc" colspan="3">
<asp:Label ID="Label1" runat="server" Font-Bold="True"></asp:Label></td>
</tr>
<tr>
<td bgcolor="#ffffcc">
<asp:LoginView ID="LoginView1" runat="server">
<LoggedInTemplate>
<br />
You are logged in as:<asp:LoginName ID="LoginName1" runat="server" />
<br />
<br />
<asp:LoginStatus ID="LoginStatus1" runat="server" />
</LoggedInTemplate>
<AnonymousTemplate>
<br />
You are not logged in. Please Login.
<br /> <br />
<asp:Login ID="Login1" runat="server" BorderColor="Peru"
BorderStyle="Solid" BorderWidth="1px">
</asp:Login>
</AnonymousTemplate>
<RoleGroups>
<asp:RoleGroup Roles="Admins">
<ContentTemplate>
<b>How hard are you working:</b>
<asp:DropDownList ID="DropDownList1" runat="server"
AutoPostBack="True"
OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
<asp:ListItem>WorkingHard</asp:ListItem>
<asp:ListItem>WorkingVeryHard</asp:ListItem>
<asp:ListItem>WorkingExtraHard</asp:ListItem>
</asp:DropDownList>
<asp:LoginName ID="LoginName4" runat="server" />
is viewing the <b>Admin Role</b> template and is
<br />
<br />
<asp:LoginStatus ID="LoginStatus2" runat="server" />
<br />
<br />
<br />
</ContentTemplate>
</asp:RoleGroup>
<asp:RoleGroup Roles="Users">
<ContentTemplate>
<asp:LoginName ID="LoginName2" runat="server" />
is viewing the <b>User Role</b> template.<br />
<asp:LoginStatus ID="LoginStatus3" runat="server" />
</ContentTemplate>
</asp:RoleGroup>
<asp:RoleGroup Roles="Customers">
<ContentTemplate>
<asp:LoginName ID="LoginName3" runat="server" />
is viewing the <b>Customer Role</b>template.<br />
<asp:LoginStatus ID="LoginStatus4" runat="server" />
</ContentTemplate>
</asp:RoleGroup>
</RoleGroups>
</asp:LoginView>
</td>
<td>
</td>
<td bgcolor="#ffccff" bordercolor="#cc00ff">
<asp:LoginView ID="LoginView2" runat="server">
<RoleGroups>
<asp:RoleGroup Roles="Admins">
<ContentTemplate>
<asp:LoginName ID="LoginName4" runat="server" />
is viewing the <b>Admin Role</b> template.<br />
<br />
<asp:LoginStatus ID="LoginStatus2" runat="server" />
</ContentTemplate>
</asp:RoleGroup>
<asp:RoleGroup Roles="Customers">
<ContentTemplate>
<asp:LoginName ID="LoginName3" runat="server" />
is viewing the <b>Customer Role</b> template.<br />
<asp:LoginStatus ID="LoginStatus4" runat="server" />
</ContentTemplate>
</asp:RoleGroup>
<asp:RoleGroup Roles="Users">
<ContentTemplate>
<asp:LoginName ID="LoginName2" runat="server" />
is viewing the <b>User Role</b> template.<br />
<asp:LoginStatus ID="LoginStatus3" runat="server" />
</ContentTemplate>
</asp:RoleGroup>
</RoleGroups>
<LoggedInTemplate>
<br />
You are logged in as:<asp:LoginName ID="LoginName1" runat="server" />
<br />
<br />
<asp:LoginStatus ID="LoginStatus1" runat="server" />
</LoggedInTemplate>
<AnonymousTemplate>
You are not logged in. Please Login.<br />
<br />
<asp:Login ID="Login1" runat="server" BorderColor="MidnightBlue"
BorderStyle="Solid" BorderWidth="1px">
</asp:Login>
</AnonymousTemplate>
</asp:LoginView>
</td>
</tr>
</table>
</asp:Content>
