register.aspx.cs

网上书店系统由两部分组成:购书网站和订单处理中心。其中购书网站是一个Web应用程序, 用户可以通过Web浏览器登录到此网站.在此网站

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;
using System.Data.OleDb;

namespace Bookshop
{
	/// <summary>
	/// Register 的摘要说明。
	/// </summary>
	public class Register : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.TextBox TextBox2;
		protected System.Web.UI.WebControls.TextBox TextBox3;
		protected System.Web.UI.WebControls.TextBox TextBox4;
		protected System.Web.UI.WebControls.ValidationSummary ValidationSummary1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.CompareValidator CompareValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator1;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator2;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator3;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Button Button1;
	
		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.TextBox1.TextChanged += new System.EventHandler(this.TextBox1_TextChanged);
			this.TextBox3.TextChanged += new System.EventHandler(this.TextBox3_TextChanged);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			string name = this.TextBox1.Text.Trim();
			string psw = this.TextBox2.Text.Trim();
			string email = this.TextBox4.Text.Trim();
			OleDbDataReader tempReader = OleDbConn.ExecuteReader( "select * from Users where uname=\'" + name + "\'" );
			if( tempReader.Read() )
			{
				Label1.Text = "<li>The Member Name have existed!";
				tempReader.Close();
				OleDbConn.CloseConn();
			}
			else
			{
				tempReader.Close();
				OleDbConn.ExecuteNonQuery( "insert into Users(uname,upsw,umail) values('" + name + "','" + psw + "','" + email + "')" );
				Label1.Text = "<li>Register Successed!";
			}
		}

		private void TextBox3_TextChanged(object sender, System.EventArgs e)
		{
		
		}

		private void TextBox1_TextChanged(object sender, System.EventArgs e)
		{
		
		}
	}
}