jquery $.getJSON 在asp.net中的用法例子

zoukankan html css js c++ java

jquery $.getJSON 在asp.net中的用法例子

下面是asp.net页面

test.aspx
代码
<script type="text/jscript" src="../js/jquery-

1.2.5.js"></script>
    <script type="text/javascript">
      //获取对象列表
        $(function(){
            $.getJSON("Handler.ashx",function(json){
            $.each(json.data,function(i)

{$('#content').append("姓名："+json.data[i].name+"----性

别："+json.data[i].avg+"----时间："+json.data[i].year

+"<br/>");});
            });
        });
    </script>
<script type="text/jscript" src="../js/jquery-

1.2.5.js"></script>
<script type="text/javascript">
//获取一个对象
   function checkServer() {
       $.getJSON("AjaxGetService.aspx?planNo=" +

$("#txtPlanNo").val(), function(data) {

//           alert(data.toString());
//           alert(data.IsTrustee);
           if (data.IsTrustee==true) {
               $("#cheTrustee").attr("checked", true);
           }
           else {
               $("#cheTrustee").attr("checked",'');
           }
           if (data.IsAccount == true) {
               $("#cheAccount").attr("checked", true);
           }
           else {
               $("#cheAccount").attr("checked", '');
           }
           //           alert(data[0].CityName); ,

{planNo:$("#txtPlanNo").val()}
       });

    }

</script>

<body>
    <form id="form1" runat="server">
    <div id="content"></div>
    <div id="table">
   <table width="90%" border="0" align="center"

cellpadding="3" cellspacing="0" class="wen">
                                <tr>
                                  <td height="10"

colspan="3" align="left"></td>
                                  </tr>
                                <tr>
                                  <td height="32"

align="left">计划登记号</td>
                                  <td width="68%">
                                  <input runat=server

type="text" name="textfield2" id="txtPlanNo"


class="inputstyle"  onblur="checkServer();"

maxlength="12"/>

                                    </td>
                                  <td width="6%"><%--

onmousemove="MM_showHideLayers('div1','','show')"

onmouseout="MM_showHideLayers('div1','','hide')"--%>
                                      </td>
                                </tr>
                                <tr>
                                  <td height="32"

align="left"> </td>
                                  <td class="greenwen">
                                      <input runat=server

type="checkbox" name="checkbox"  onclick="return false;"
                                          id="cheTrustee"

readonly="readonly" />受托服务
                                      <input

runat=server type="checkbox" name="checkbox2"

id="cheAccount" onclick="return false;"


readonly="readonly" />账管服务</td>
                                  <td> </td>
                                </tr>
                                <tr>
                                  <td height="32"

align="left" title="所属企业">所属企业</td>
                                  <td><input runat=server

type="text" name="textfield2" id="txtEnterpriceManger"


class="inputstyle" /></td>
                                  <td> </td>
                                </tr>
                                <tr>
                                  <td height="32"

align="left">账号选择</td>
                                  <td>
                                      <asp:RadioButton

ID="radReg" runat="server" GroupName="selectAccount" />
                                      为我分配账号

<asp:RadioButton ID="radAccount" runat="server"


GroupName="selectAccount" />
                                      输入账号</td>
                                  <td> </td>
                                </tr>
                                <tr>
                                  <td height="32"

align="left" class="greenwen">请输入账号</td>
                                  <td><input

runat=server type="text" name="textfield3"

id="txtAccount"


class="inputstyle"/></td>
                                  <td> </td>
                                </tr>
                                <tr>
                                  <td

align="left"> </td>
                                  <td height="40">
                                   <asp:Button ID="btnOK"

runat="server" CssClass="tijiaobutton"


onclick="btnOK_Click" />
                                 </td>
                                  <td> </td>
                                </tr>
                              </table>
</div>
    </form>
</body>

Handler.ashx

//取到对象列表

代码

<%@ WebHandler Language="C#" Class="Handler" %>

using System;
using System.Web;
using System.Data;
using System.Text;
public class Handler : IHttpHandler {

    public void ProcessRequest (HttpContext context) {
        /*context.Response.ContentType = "text/plain";
        string data = "[{name:\"fan\",age:26},{name:\"wang\",age:25}]";//构建的json数据
        context.Response.Write(data);*/

        DataSet ds = new DataSet();
        DataTable dt = new DataTable();
        dt.Columns.Add("name", typeof(string));
        dt.Columns.Add("year", typeof(string));
        dt.Columns.Add("avg", typeof(string));
        DataRow tr = dt.NewRow();
        tr["name"] = "shshshdy";
        tr["year"] = "2005-02-02";
        tr["avg"] = "男";
        dt.Rows.Add(tr);
        //ds.Tables.Add(dt);
        DataRow tr2 = dt.NewRow();
        tr2["name"] = "xiaoming";
        tr2["year"] = "2007-02-02";
        tr2["avg"] = "女";
        dt.Rows.Add(tr2);
        ds.Tables.Add(dt);

        context.Response.Clear();
        context.Response.ContentEncoding = Encoding.UTF8;
        context.Response.ContentType = "application/json";
        //Response.Write("{\"success\":true,\"name\":\"shshshdy\",\"year\":\"2009-12-12\"}");
        context.Response.Write(getJSON(ds));
        context.Response.Flush();
        context.Response.End();
    }

    public bool IsReusable {
        get {
            return false;
        }
    }
    private static string getJSON(DataSet ds)//这里调用了JSON帮助文件，jsonHelp.cs 就不放出源码了
    {
        Json.JSONHelper jsonHelp = new Json.JSONHelper();

        jsonHelp.success = true;
        //jsonHelp.totlalCount = getPrjListCount();
        jsonHelp.totlalCount = ds.Tables[0].Rows.Count;

        foreach (DataRow dr in ds.Tables[0].Rows)
        {
            jsonHelp.AddItem("name", dr["name"].ToString());
            jsonHelp.AddItem("avg", dr["avg"].ToString());

            if (dr["year"] != DBNull.Value)
            {
                jsonHelp.AddItem("year", Convert.ToDateTime(dr["year"]).ToString("yyyy/MM/dd"));
            }
            else
            {
                jsonHelp.AddItem("year", string.Empty);
            }

            jsonHelp.ItemOk();
        }

        string strResult = jsonHelp.ToString();
        return strResult;
    }
}

在asp.net页面中page_load方法中

代码
protected void Page_Load(object sender, EventArgs e)
        {
            string planNo = string.Empty;
            if (Request.QueryString["planNo"] != null)
            {

                 planNo = Request.QueryString

["planNo"].ToString();
            }
        if (!string.IsNullOrEmpty(planNo))
        {
//从数据库中取到OpenServiceInfo 对象
            //BLL.OpenSevice bll = new

Sysnet.EDP.EAF.F3.BLL.OpenSevice();
            //OpenServiceInfo info =

bll.GetOpenServiceByPlanNo(planNo);
   OpenServiceInfo info =new OpenServiceInfo();
   info.IsAccount =true;
info.IsTrustee = false;
info.LoginName ="张三";

//序列化对象
            JavaScriptSerializer jss = new

JavaScriptSerializer();
            string strJson =jss.Serialize(info);

            Response.Clear();
            Response.ContentEncoding = Encoding.UTF8;
            Response.ContentType = "application/json";
            Response.Write(strJson);
            Response.Flush();
            Response.End();
        }

      }

  public class OpenServiceInfo
    {
        private string _ID;
        private string _PlanNo;
        private bool _IsTrustee=false;
        private bool _IsAccount = false;
        private bool _IsInvestment = false;
        private string _EnterpriseManagement;
        private string _LoginName;
        private string _Remark;
        /// <summary>
        /// ID
        /// </summary>
        public string ID
        {
            get
            {
                return _ID;
            }
            set
            {
                _ID = value;
            }
        }
        /// <summary>
        /// 计划登记号
        /// </summary>
       public string PlanNo
        {
            get
            {
                return _PlanNo;
            }
            set
            {
                _PlanNo = value;
            }
        }
       /// <summary>
       /// 受托服务
       /// </summary>
       public bool  IsTrustee
       {
           get
           {
               return _IsTrustee;
           }
           set
           {
               _IsTrustee = value;
           }
       }
       /// <summary>
       /// 账管服务
       /// </summary>
       public bool IsAccount
       {
           get
           {
               return _IsAccount;
           }
           set
           {
               _IsAccount = value;
           }
       }
       /// <summary>
       /// 投资服务
       /// </summary>
       public bool IsInvestment
       {
           get
           {
               return _IsInvestment;
           }
           set
           {
               _IsInvestment = value;
           }
       }
       /// <summary>
       /// 可管理的企业
       /// </summary>
       public string EnterpriseManagement
       {
           get
           {
               return _EnterpriseManagement;
           }
           set
           {
               _EnterpriseManagement = value;
           }
       }
       /// <summary>
       /// 登陆名-账号
       /// </summary>
       public string LoginName
       {
           get
           {
               return _LoginName;
           }
           set
           {
               _LoginName = value;
           }
       }
       /// <summary>
       /// 备注
       /// </summary>
       public string Remark
       {
           get
           {
               return _Remark;
           }
           set
           {
               _Remark = value;
           }
       }
    }

查看全文

相关阅读:
mysql安装问题
 决策树算法实现
 安装scipy失败提示lapack not found
算法复杂度分析中的符号（Θ、Ο、ο、Ω、ω）简介
 VMware 注册码
 chrome浏览器频繁卡死
 dell装系统
 关于scipy包的安装
 pip安装python包时报字符编码错
 linux中mv命令使用详解

原文地址：https://www.cnblogs.com/z_lb/p/1755391.html