jQuery Ajax 调用WebService出错解决方法

开发环境:

　　framework2.0,System.Web.Extensions.dll(版本号：1.0.61025.0)

ajax code:

$.ajax({
        type: "POST",
        url: webURL,
        data: jsonParam,
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function(data) {
            //callback();
        },
        error: function(msg) {
            alert(msg.ResponseText);
        }
    })

webservice

[WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    [ScriptService]
    public class WebService1 : System.Web.Services.WebService
    {
        [WebMethod]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
        public string HelloWorld(string pageIndex, string pageSize)
        {
              //BLL code
        }
     }

如果这样的话前台是不能访问service的，你必须在config文件里加入下面一段代码：

<httpHandlers>
      <add verb="*" path="*.asmx" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions,Version=1.0.61025.0, Culture=neutral,PublicKeyToken=31bf3856ad364e35"/>
    </httpHandlers>