register.aspx.cs

采用C＃.NET2008与SQL SERVER的社区网站

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.SqlClient;

namespace Aspnet
{
	/// <summary>
	/// Register 的摘要说明。
	/// </summary>
	public class Register : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox TB_UserName;
		protected System.Web.UI.WebControls.TextBox TB_Pwd;
		protected System.Web.UI.WebControls.TextBox TB_Pswd;
		protected System.Web.UI.WebControls.TextBox TB_Email;
		protected System.Web.UI.WebControls.RadioButtonList RBL_Sex;
		protected System.Web.UI.WebControls.Button BT_submit;
		protected System.Web.UI.WebControls.Button BT_reset;
		protected System.Web.UI.WebControls.RequiredFieldValidator RFV_UserName;
		protected System.Web.UI.WebControls.RequiredFieldValidator RFV_Pwd;
		protected System.Web.UI.WebControls.CompareValidator CV_Pswd;
		protected System.Web.UI.WebControls.RegularExpressionValidator REV_Email;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox TB_RealName;
		protected System.Web.UI.WebControls.TextBox TB_Telephone;
		protected System.Web.UI.WebControls.TextBox TB_Address;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
	
		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.TB_UserName.TextChanged += new System.EventHandler(this.TB_UserName_TextChanged);
			this.BT_submit.Click += new System.EventHandler(this.BT_submit_Click);
			this.BT_reset.Click += new System.EventHandler(this.BT_reset_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void BT_submit_Click(object sender, System.EventArgs e)
		{
		//建立数据库连接

			string connstr="server=.;database=Aspnet;uid=sa;pwd=sa";
			string strsql="select count(*) from UserInfo where UserName like '"+TB_UserName.Text+"'";
			SqlConnection Conn=new SqlConnection(connstr);
			SqlCommand mycommand=new SqlCommand(strsql,Conn);
			Conn.Open();
			//看用户是否已经存在
			int flag=(int)mycommand.ExecuteScalar();
			Conn.Close();
			if(flag==0)
			{
				//向数据库中添加一条用户记录
			string WebSite;
			WebSite=Request.UserHostAddress.ToString();//获得登录用户的IP
			string selectstr="insert into UserInfo(UserName,Pwd,Sex,Email,Website,RegTime,RealName,Telephone,Address) values ('" +TB_UserName.Text +"','"+ TB_Pwd.Text + "','"+RBL_Sex.SelectedItem.Value+"','"+TB_Email.Text + "','"+WebSite+"',getdate(),'" +TB_RealName.Text +"','" +TB_Telephone.Text +"','" +TB_Address.Text +"')";
				SqlCommand addcommand=new SqlCommand(selectstr,Conn);
				Conn.Open();
				addcommand.ExecuteNonQuery();
				Conn.Close();
				Session["Username"]=TB_UserName.Text;
				Session["Sex"]=RBL_Sex.SelectedItem.Value;
				Label1.Text="注册成功,你现在可以登录了!";
			}
			else
			{
				Label1.Text="对不起,该用户已经存在,请选择其他用户名!";
				TB_UserName.Text="";
				TB_Pwd.Text="";
				TB_Pswd.Text="";
			}
		}

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

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