Displaying a user's roles. : Role « Authentication Authorization « ASP.NET Tutorial

<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    void Page_Load()
    {
        if (!Request.IsAuthenticated)
        {
            FormsAuthentication.RedirectToLoginPage();
            Response.End();
        }
        if (!Roles.RoleExists("Managers"))
            Roles.CreateRole("Managers");
        if (!Roles.RoleExists("Sales"))
            Roles.CreateRole("Sales");

        if (!Roles.IsUserInRole("Managers"))
            Roles.AddUserToRole(User.Identity.Name, "Managers");
        if (!Roles.IsUserInRole("Sales"))
            Roles.AddUserToRole(User.Identity.Name, "Sales");
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Show Roles</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h1>Your Roles</h1>

    <asp:GridView
        id="grdRoles"
        DataSourceID="srcRoles"
        EmptyDataText="You are not a member of any roles"
        GridLines="none"
        Runat="server" />

    <asp:ObjectDataSource
        id="srcRoles"
        TypeName="System.Web.Security.Roles"
        SelectMethod="GetRolesForUser"
        Runat="server" />

    </div>
    </form>
</body>
</html>

21.14.Role
	21.14.1.	Getting all the roles of a specific user
	21.14.2.	Enables the SqlRoleProvider.
	21.14.3.	Assigning a new user to a role.
	21.14.4.	Configuring the WindowsTokenRoleProvider
	21.14.5.	Displaying different content to members of the Windows Administrators group.
	21.14.6.	Displaying a user's roles.
	21.14.7.	Windows roles
	21.14.8.	Adding roles to the application
	21.14.9.	Looking up users in a particular role