header.ascx.cs

基于角色的用户验证. 这个程序重点写了四个pages以实现这些功能：增加用户

namespace RolesBasedAthentication.Web
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;

	public abstract class Header : System.Web.UI.UserControl
	{
		protected System.Web.UI.WebControls.HyperLink Login;
		protected System.Web.UI.WebControls.HyperLink Account;
		protected System.Web.UI.WebControls.LinkButton SignOut;
		protected System.Web.UI.WebControls.Label Roles;
		protected System.Web.UI.WebControls.HyperLink RoleManager;
		protected System.Web.UI.WebControls.Label Welcome;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if (Context.User.Identity.IsAuthenticated)
			{
				Login.Visible = false;
				Welcome.Text = "Welcome " + ((SiteIdentity)Context.User.Identity).Name;

				if (((SitePrincipal)Context.User).Roles.Count != 0)
				{
					Roles.Visible = true;
					Roles.Text = "You are assigned to the following role(s):";
					foreach (string role in ((SitePrincipal)Context.User).Roles)
						Roles.Text += "<br>" + role;

					if (((SitePrincipal)Context.User).IsInRole("Site Admin"))
						RoleManager.Visible = true;
				}
			}
			else
			{
				Account.Visible = false;
				SignOut.Visible = false;
				Welcome.Text = "Welcome, Guest";
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		///		Required method for Designer support - do not modify
		///		the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.SignOut.Click += new System.EventHandler(this.SignOut_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void SignOut_Click(object sender, System.EventArgs e)
		{
			System.Web.Security.FormsAuthentication.SignOut();
			Response.Redirect("Default.aspx");
		}
	}
}