1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using HotelBLL;
12
13public partial class Form_CheckUserId : System.Web.UI.Page
14...{
15    protected void Page_Load(object sender, EventArgs e)
16    ...{
17        CheckUserId();
18    }
19
20
21    /**//// <summary>
22    /// 检查登录名是否重复
23    /// </summary>
24    private void CheckUserId()
25    ...{
26        string json;
27        string UserId = Request["name"]; //得到登陆Id
28        UserInfoBLL uiBll = new UserInfoBLL();
29        if (uiBll.CheckUserId(UserId))
30        ...{
31            json = @"{success: true}";//已经注册
32        }
33        else
34        ...{
35            json = @"{success: false}";//可以注册
36        }
37        Response.Write(json);
38    }
39}
40