admin_login.aspx.cs

毕业设计题目,学生成绩查询系统,包括管理员和普通用户两级管理

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace StudentScroeQuery.Admin
{
	/// <summary>
	/// admin_login 的摘要说明。
	/// </summary>
	public class admin_login : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Label labmsg;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.TextBox txtpassword;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.TextBox txtname;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		}

		#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.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button2_Click(object sender, System.EventArgs e)
		{
			string username=txtname.Text;
			string password=txtpassword.Text;
			
			try
			{	
				if(new BLL.adminloginservice().isAdmin(username,password))
				{
					System.Web.Security.FormsAuthentication.RedirectFromLoginPage(username,false);
					labmsg.Text="登录成功";
					Session["username"]=username;
					Session["password"]=password;
					Response.Redirect("Manage.htm");
				}
				else
				{
					labmsg.Text="错误的用户名或密码.";
				}
			}
			catch
			{
				labmsg.Text="错误的用户名或密码,请重新输入!";
				txtname.Text="";
				txtpassword.Text="";
			}
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			txtname.Text="";
			txtpassword.Text="";
				
		}

		
	}
}