相关疑难解决方法(0)

我看到了类似的问题,但它没有解决我的问题.我在ASMX文件中有一个JSON Web服务;

Web方法的代码

        [WebMethod]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
        public string GetUserRoles(string JSONUserCode)
        {
            string retRoles = string.Empty;
            List<JSONRole> roles = new List<JSONRole>();

            {... I Populate the roles here ...}

            DataContractJsonSerializer serializer = new
            DataContractJsonSerializer(roles.GetType());
            MemoryStream ms = new MemoryStream();
            serializer.WriteObject(ms, roles);
            string jsonString = Encoding.Default.GetString(ms.ToArray());
            ms.Close();
            return jsonString;
        }

这正确地正确地格式化List,但是用XML包装整个返回.以下是回复:

<?xml version="1.0" encoding="utf-8" ?> 
    <string xmlns="http://formshare.com/">
       [{"Name":"Accounts Payable"},{"Name":"Payroll"}]
    </string>

您可以通过单击此链接查看自己的响应:

http://dev.formshare.gologictech.com/JSON/JSONService.asmx/GetUserRoles?JSONUserCode=1234

我需要的回应是:

[{"Name":"Accounts Payable"},{"Name":"Payroll"}]

有任何想法吗？谢谢你的帮助.

我不确定我错过了什么,我错过了什么.

我正在构建一个ASP.NET 2.0(在.Net 3.5框架上)Web应用程序,我正在包含一个Web服务.请注意,这不是 MVC项目.我希望公开一个返回JSON字符串的方法; 格式化以提供jqGrid jQuery插件.

这是我在我的服务中实现的初步测试方法:感谢(Phil Haack的MVC指南)

[WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public string getData()
{
    JavaScriptSerializer ser = new JavaScriptSerializer();

    var jsonData = new
    {
        total = 1, // we'll implement later 
        page = 1,
        records = 3, // implement later 
        rows = new[]{
          new {id = 1, cell = new[] {"1", "-7", "Is this a good question?", "yay"}},
          new {id = 2, cell = new[] {"2", "15", "Is this a blatant ripoff?", "yay"}},
          new …

我需要我的Web服务才能返回JSON ...

我的.asmx文件中有以下代码:

namespace Feed
{
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]

    [System.Web.Script.Services.ScriptService]
    public class searchPerson : System.Web.Services.WebService
    {

        [WebMethod]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
        public Person GetDave()
            {
                Person dave = new Person();

                dave.FirstName = "Dave";
                dave.LastName = "Ward";

         return dave;
        }
    }
}

返回以下内容:

<?xml version="1.0" encoding="utf-8"?>
<Person xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://tempuri.org/">
  <FirstName>Dave</FirstName>
  <LastName>Ward</LastName>
</Person>

如何强制它返回JSON而不是XML？