Get background data with ajax, return JSON data, How to use it in the foreground?

Using AJAX to get background data, return JSON data, How to use it in the foreground?

Background

C # code?

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if(dataType == "SearchCustomer")                {                    intID;                    if(Int32.TryParse(CustomerID, outID))                    {                        strings = GridComputer.GridCustomer.getCustomer(1, 1, ID);                        if(s == null)                        {                            context.Response.ContentType = "text/plain";                            context.Response.Write("[{\"name\":无用户,\"id\":\"0\",\"company\":\"无用户\"}]");                        }                        else{ context.Response.Write(s); }                    }                }

Front desk

JavaScript Code?

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$(document).ready(function() {            $("#Button3").click(        function(SucCallback) {            $.ajax(            {                type: "get",                url: ‘GridDatas.ashx‘, //后台处理程序                   dataType: ‘json‘,     //接受数据格式                    data: ‘DataType=SearchCustomer&CustomerID=‘+ document.getElementById("Text3").value,         //要传递的数据                    success:SucCallback,                error: function () { alert("error"); }            });        })        })

Reference Code

JavaScript Code?

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grid.getCustomer(1,2,function(data) {        varlist = ‘<p>‘+ tree_GridInfo._name + ‘的用户有</p><br>‘;        list += ‘<table id="customers"><tr><th>姓名</th><th>电话</th></tr> ‘;        $.each(data, function(i, n) {            list += ‘<tr onclick="showUser(‘+ 1 + ‘)"><td>‘;            list += n.name + ‘</td>‘+ ‘<td>‘+ n.company;            list += ‘</td></tr>‘;        });        $("#SearchResult").html(list)

======================================================================================= See if your JSON data is a list or a single, There's no need for brackets in one piece.
Context. Response.Write ("{\" name\ ": no user, \" id\ ": \" 0\ ", \" company\ ": \" no user \ "}");

$ (document). Ready (function () {
$ ("#Button3"). Click (
function (succallback) {
$.ajax (
{
Type: "get",
Url: ' Griddatas.ashx ',//background Handler
DataType: ' JSON ',//accept data format
Data: ' datatype=searchcustomer&customerid= ' + document.getElementById ("Text3"). value,//to be passed
function (datajson) {
Alert (datajson.name);
Alert (datajson.id);
},
Error:function () {alert ("error");}
});
})
})

Get background data with ajax, return JSON data, How to use it in the foreground?