edit.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>
	/// WebForm2 的摘要说明。
	/// </summary>
	public class WebForm2 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox edit;
		protected System.Web.UI.WebControls.Button cancel;
		protected System.Web.UI.WebControls.Button submit;

		DAO.Database Mydb;
		DAO.Workspace Myws;
		String Mysql;
		DAO.Recordset Myrec;
		protected System.Web.UI.WebControls.Label ss;
		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
			//ss.Text=Session["task"].ToString();
			if(Session["user"].ToString().Length==0)
			{
				Response.Redirect("index.aspx");
			}
		}

		#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.cancel.Click += new System.EventHandler(this.cancel_Click);
			this.submit.Click += new System.EventHandler(this.submit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

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

		private void submit_Click(object sender, System.EventArgs e)
		{
			if(edit.Text.Length==0)
			{
				ss.Text="you must input something here";
			}
			else

		    {
			String dbstr;
			dbstr="C:\\architecture3.mdb";
			Myws=de.Workspaces[0];
			Mydb=Myws.OpenDatabase(dbstr,null,null,null);
			
			Mysql="select * from main where name='"+Session["user"]+"'";
			
			Myrec=Mydb.OpenRecordset(Mysql,DAO.RecordsetTypeEnum.dbOpenDynaset,
				DAO.RecordsetOptionEnum.dbDenyWrite,
				DAO.LockTypeEnum.dbOptimistic);
			Myrec.Edit();
			if(Session["task"].ToString().Equals("1"))
			{
				Myrec.Fields[1].Value=edit.Text;
			}
			else
				if(Session["task"].ToString().Equals("2"))
			{
				Myrec.Fields[2].Value=edit.Text;
			}
			else
			{
				Myrec.Fields[3].Value=edit.Text;
			}
			Myrec.Update(1,false);
			Myrec.Close();
			Response.Redirect("main.aspx");
		    }
		}
	}
}