login.aspx.cs

学生选课系统开发工具VS2003.NET+Sqlserver2000 功能：基本学生及老师信息

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 SbElect
{
	/// <summary>
	/// WebForm1 的摘要说明。
	/// </summary>
	public class WebForm1 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox username;
		protected System.Web.UI.WebControls.RequiredFieldValidator LoginIDRequiredFieldValidator;
		protected System.Web.UI.WebControls.TextBox password;
		protected System.Web.UI.WebControls.RequiredFieldValidator LoginPasswordRequiredFieldValidator;
		protected System.Web.UI.WebControls.ValidationSummary LogonValidationSummary;
		protected System.Web.UI.WebControls.Button btnlogin;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			
		}

		#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.btnlogin.Click += new System.EventHandler(this.btnlogin_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnlogin_Click(object sender, System.EventArgs e)
		{
			string UserName=this.username.Text.ToString();  //用户名
			string UserPwd=this.password.Text.ToString();    //密码
			if(UserName!=""&&UserPwd!="")                   // 处理登录信息
			{
				UserInfor.Login login=new SbElect.UserInfor.Login();
				if(login.loginByState(UserName,UserPwd))
				{

					Response.Redirect("Index.htm");
				}
				else
				{
					Response.Write("<script>alert('请输入正确的用户名和密码！')</script>"); 
				}
			}
			else
			{
				Response.Write("<script>alert('请输入正确的用户名和密码！')</script>");
			}
		}
	}
}