main.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>
	/// main 的摘要说明。
	/// </summary>
	public class main : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox job1;
		protected System.Web.UI.WebControls.TextBox job2;
		protected System.Web.UI.WebControls.TextBox job3;
		protected System.Web.UI.WebControls.Button submit;
		protected System.Web.UI.WebControls.Button cancel;
		protected System.Web.UI.WebControls.Button stusubmit;
		protected System.Web.UI.WebControls.Label Label1;
		DAO.Database Mydb;
		DAO.Workspace Myws;
		String Mysql;
		DAO.Recordset Myrec;
		protected System.Web.UI.WebControls.RadioButtonList RadioButtonList1;
		protected System.Web.UI.WebControls.Button delete;
		DAO.DBEngine de=new DAO.DBEngineClass();
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(Session["user"].ToString().Length==0)
			{
				Response.Redirect("index.aspx");
			}
			else
			{
				Label1.Text="Welcome"+"   "+Session["cla"].ToString()+"  "+Session["user"].ToString();
				String dbstr;
				dbstr="C:\\architecture3.mdb";
				Myws=de.Workspaces[0];
				Mydb=Myws.OpenDatabase(dbstr,null,null,null);
			
				Mysql="select * from main where name='"+"dh"+"'";
			
				Myrec=Mydb.OpenRecordset(Mysql,DAO.RecordsetTypeEnum.dbOpenDynaset,
					DAO.RecordsetOptionEnum.dbDenyWrite,
					DAO.LockTypeEnum.dbOptimistic);
				if(!Myrec.EOF)
				{
					job1.Text=Myrec.Fields[1].Value.ToString();
					job2.Text=Myrec.Fields[2].Value.ToString();
					job3.Text=Myrec.Fields[3].Value.ToString();
				}
				Myrec.Close();
			}
			// 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.submit.Click += new System.EventHandler(this.submit_Click);
			this.cancel.Click += new System.EventHandler(this.cancel_Click);
			this.stusubmit.Click += new System.EventHandler(this.stusubmit_Click);
			this.delete.Click += new System.EventHandler(this.delete_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void cancel_Click(object sender, System.EventArgs e)
		{
			
			Response.Redirect("index.aspx");
		}

		private void submit_Click(object sender, System.EventArgs e)
		{
			Session["task"]=RadioButtonList1.SelectedValue.ToString();
			Response.Redirect("edit.aspx");
		}

		private void stusubmit_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("Show.aspx");
		}

		private void delete_Click(object sender, System.EventArgs e)
		{
			Mysql="select * from main where name='"+Session["user"]+"'";
			
			Myrec=Mydb.OpenRecordset(Mysql,DAO.RecordsetTypeEnum.dbOpenDynaset,
				DAO.RecordsetOptionEnum.dbDenyWrite,
				DAO.LockTypeEnum.dbOptimistic);
			Myrec.Edit();
			if(RadioButtonList1.SelectedValue.ToString().Equals("1"))
			{
				Myrec.Fields[1].Value="";
			}
			else
				if(RadioButtonList1.SelectedValue.ToString().Equals("2"))
			{
				Myrec.Fields[2].Value="";
			}
			else
			{
				Myrec.Fields[3].Value="";
			}
			Myrec.Update(1,false);
			Myrec.Close();
			Response.Redirect("main.aspx");
		}

		

		
	}
}