jQuery读取xml错误

我正在尝试使用jQuery和yahoo地图服务编写简单的位置查找调用。即用户将一个位置放入搜索框中，当他们绑定jQuery时，我将调用我的网站上的一个页面，该页面从yahoo返回XML。jQuery读取xml错误

Geocode.aspx.cs

protected void Page_Load(object sender, EventArgs e) 
{ 
    var url= "http://local.yahooapis.com/MapsService/V1/geocode?appid=SjCk7UjV34H0L9VoW5dFEXFGvsQuKX0xwIPNBX.rY8XxrWZbIYeSScFGuMrJyen_QwGKpLk-&location=" + Request.QueryString["location"]; 

    var oBuilder = new StringBuilder(); 
    var oStringWriter = new StringWriter(oBuilder); 
    var oXmlReader = new XmlTextReader(url); 
    var oXmlWriter = new XmlTextWriter(oStringWriter); 
    while (oXmlReader.Read()) 
    { 
     oXmlWriter.WriteNode(oXmlReader, true); 
    } 
    oXmlReader.Close(); 
    oXmlWriter.Close(); 
    Response.Clear(); 
    Response.Write(oBuilder.ToString()); 
    Response.Flush(); 
    Response.End(); 
}

Geocode.aspx：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Geocode.aspx.cs" Inherits="Search_Geocode" %>

我的搜索页面使用下面的jQuery代码来调用这个页面：

function findAddress() { 
    var address = document.getElementById('ctl00_ContentPlaceHolder1_Location').value; 

    if (address.length > 3) { 
     $.ajax({ 
      type: "GET", 
      url: "Geocode.aspx?location=" + address, 
      dataType: "xml", 
      success: function(xmlData) { 
       $(xmlData).find('Result').each(function() { 
        document.getElementById('ctl00_ContentPlaceHolder1_Lat').value = $(this)[0].selectSingleNode('Latitude').text; 
        document.getElementById('ctl00_ContentPlaceHolder1_Long').value = $(this)[0].selectSingleNode('Longitude').text; 
        document.getElementById("locationspan").innerHTML = $(this)[0].selectSingleNode('Address').text + '<br />' + $(this)[0].selectSingleNode('City').text + '<br />' + $(this)[0].selectSingleNode('State').text; 

        var mapList = document.getElementById("divAddressSelector"); 
        mapList.className = 'mapAddressSelectorHide'; 
       }); 
      }, 
      error: function(XMLHttpRequest, textStatus, errorThrown) { 
       alert(XMLHttpRequest + '--' + textStatus + '--' + errorThrown); 
      } 
     }); 
    } 
}

运行此代码用以下文本生成一个文本框：undefinedparsererror - undefined

当我从我的地理编码页面创建一个XML文件，并指向jQuery的URL，而不是一切正常。

感谢您的任何帮助。

来源

2010-01-29 Richard Priddy

好，几个小时的搜索我设法找到一个解决方案之后。问题在于生成XML。主要是HTTP状态码和其他位。因此，对于任何人寻找一个解决一个问题是这样的：

Geocode.aspx.cs应该是这样的，而不是：

protected void Page_Load(object sender, EventArgs e) 
{ 
    var url= "http://local.yahooapis.com/MapsService/V1/geocode?appid=SjCk7UjV34H0L9VoW5dFEXFGvsQuKX0xwIPNBX.rY8XxrWZbIYeSScFGuMrJyen_QwGKpLk-&location=" + Request.QueryString["location"]; 

    var oBuilder = new StringBuilder(); 
    var oStringWriter = new StringWriter(oBuilder); 
    var oXmlReader = new XmlTextReader(url); 
    var oXmlWriter = new XmlTextWriter(oStringWriter); 
    while (oXmlReader.Read()) 
    { 
     oXmlWriter.WriteNode(oXmlReader, true); 
    } 
    oXmlReader.Close(); 
    oXmlWriter.Close(); 


    // Remove all headers and data in the Response. 
    Response.Clear(); 
    //set the mime type 
    Response.ContentType = "text/xml"; 
    // Buffer output and send it out in one chunk. 
    Response.BufferOutput = true; 
    // Specify a successful HTTP status code. 
    Response.StatusCode = 200; 

    Response.Write(oBuilder.ToString()); 
}

来源

2010-01-29 14:45:27