logonmodule.ascx.cs

《C#数据库项目案例导航》一书的配套光盘

namespace KhfwWeb.Modules
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using System.Web.Security;

	/// <summary>
	///		LogonModule 的摘要说明。
	/// </summary>
	public class LogonModule : ModuleBase
	{
		protected System.Web.UI.WebControls.TextBox LogonNameTextBox;
		protected System.Web.UI.WebControls.RequiredFieldValidator LogonNameRequiredFieldValidator;
		protected System.Web.UI.WebControls.TextBox LogonPasswordTextBox;
		protected System.Web.UI.WebControls.RequiredFieldValidator LogonPasswordRequiredFieldValidator;
		protected System.Web.UI.WebControls.ValidationSummary LogonValidationSummary;
		protected System.Web.UI.WebControls.Label MismatchLabel;
		protected System.Web.UI.WebControls.Button LoginButton;
		protected System.Web.UI.WebControls.Label ShowMsg;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(HttpContext.Current.User.Identity.IsAuthenticated)
			{
				String UserName=HttpContext.Current.User.Identity.Name;
				String Type=null;
				if(UserType.ToString()=="1")
					Type="<b><font color='red'>系统管理员</font></b>";
				else if(UserType.ToString()=="2")
					Type="<b><font color='red'>普通用户</font></b>";
				ShowMsg.Text="<b><font color='red'>"+UserName+"</font></b>,欢迎您进入本系统,用户类型为:"+Type;
				ShowMsg.Style["color"]="Green";
			}
			else
			{
				ShowMsg.Text="您还未登录本系统,登录后才可使用各项服务";
				ShowMsg.Style["color"]="Red";
			}
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		///		设计器支持所需的方法 - 不要使用代码编辑器
		///		修改此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.LoginButton.Click += new System.EventHandler(this.LoginButton_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void LoginButton_Click(object sender, System.EventArgs e)
		{
			if(Authenticate(LogonNameTextBox.Text.Trim() ,LogonPasswordTextBox.Text.Trim())==true)
			{
				FormsAuthentication.SetAuthCookie(LogonNameTextBox.Text.Trim(),false); 
        
				Response.Redirect(PathPrefix+"/default.aspx");
			}
			else
			{  
				MismatchLabel.Visible=true;
			}
		}
	}
}