index.aspx.cs

一个用C#.net开发的简单的网上答题系统,是我们体系结构一次作业.

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 architecture3pk
{
	/// <summary>
	/// WebForm1 的摘要说明。
	/// </summary>
	public class WebForm1 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Button sub;
		protected System.Web.UI.WebControls.Button reset;
		protected System.Web.UI.WebControls.TextBox name;
		protected System.Web.UI.WebControls.TextBox password;
		DAO.Database Mydb;
		DAO.Workspace Myws;
		String Mysql;
		DAO.Recordset Myrec;
		protected System.Web.UI.WebControls.Label Label3;
		DAO.DBEngine de=new DAO.DBEngineClass();
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		Session["user"]="";
		
		}

		#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.sub.Click += new System.EventHandler(this.sub_Click);
			this.reset.Click += new System.EventHandler(this.reset_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void sub_Click(object sender, System.EventArgs e)
		{
			if(name.Text.Length!=0)
			{
			
				String dbstr;
				dbstr="C:\\architecture3.mdb";
				Myws=de.Workspaces[0];
				Mydb=Myws.OpenDatabase(dbstr,null,null,null);
				Mysql="select * from login where name='"+name.Text+"'";
				Myrec=Mydb.OpenRecordset(Mysql,DAO.RecordsetTypeEnum.dbOpenDynaset,
					DAO.RecordsetOptionEnum.dbDenyWrite,
					DAO.LockTypeEnum.dbOptimistic);
				if(Myrec.EOF)
				{
					Myrec.Close();
					Response.Redirect("index.aspx");
				}
				else
				{
					String A=Myrec.Fields[2].Value.ToString();
					String username=Myrec.Fields[0].Value.ToString();
					String pass=Myrec.Fields[1].Value.ToString();
					if(!Myrec.EOF && pass==password.Text)
					{
						Session["cla"]=A;
						Session["user"]=username;
						Session["task"]="null";
						Myrec.Close();
						Mydb.Close();
						Myws.Close();
						Response.Redirect("main.aspx");
					}
					else
					{
						Myrec.Close();
						Mydb.Close();
						Myws.Close();
						Response.Redirect("index.aspx");
					}
				}
			}
		}

		private void reset_Click(object sender, System.EventArgs e)
		{
			name.Text="";
			password.Text="";
		
		}
		
	}
}