asp.net用户注册程序

asp教程.net用户注册程序
<%@ page language="c#" autoeventwireup="true" codefile="register.asp教程x.cs" inherits="register" %>

 
 

 

 
 
 
 
 
 
 
 

会员注册：以下*标记的为必填项
会员名：	<%-- --%>   *     controltovalidate="txtusercode" errormessage="会员名称不能为空！">
密码：	*     controltovalidate="txtpwd" errormessage="密码不能为空！">
确认密码：	*     controltocompare="txtpwd" controltovalidate="txtpwd1" errormessage="两次密码输入不一致！">
真实姓名：	*   id="requiredfieldvalidator2" runat="server" controltovalidate="txttruename"    errormessage="姓名不能为空！">
onclick="btnregister_click" />

 

 

后台：

<%
protected void btnregister_click(object sender, eventargs e)
  {
  string usercode = txtusercode.text.trim();
  string userpwd = common.getmd5(txtpwd.text.trim());
  string username = txttruename.text;
  string sql = string.empty;

  stringbuilder sb = new stringbuilder();
  sb.append("insert into nw_admin(nw_usercode,nw_pwd,nw_username,nw_class)");
  sb.append("values('" + usercode + "','" + userpwd + "','" + username + "',0)");
  int temp = sqlhelp.executesql(sb.tostring());
  if (temp > 0)
  common.jsredirect("注册成功！", "questionlist.aspx");
  }
 %>
//ashx文件：作为服务器与数据库教程交互，js传过来的用户名
<%@ webhandler language="c#" class="register" %>
<%
using system;
using system.web;

public class register : ihttphandler {
   
  public void processrequest (httpcontext context) {
  context.response.contenttype = "text/plain";
  if (!string.isnullorempty(context.request["usercode"]))
  {
  string usercode = context.request["usercode"].tostring();
  string sql = "select count(1) from nw_admin where nw_usercode='"+usercode.trim()+"'";
  bool result = sqlhelp.exists(sql);
  if (result)
  context.response.write(1);
  else
  context.response.write(0);
  }
  }
 
  public bool isreusable {
  get {
  return false;
  }
  }

}
%》