function get_org(id) {

            var url = "/Handler/AjaxHandler.ashx";

            var post_data = { id: id };//就是把这段传到handler.ashx里怎么接收？

            $.ajax({

                url: url,

                type: "POST",

                dataType: "json",

                data: { action: "CallAjax", asm:"Framework.Web",className:"AjaxDemo", form: [post_data] },//我在这里通过form这个参数传递过去的，但是在接收的时候是个null

                success: function (data) {

                    if (data != null && data != "") {

                        alert(data);

                    }

                },

                error: function (XMLHttpRequest, textStatus) {

                    alert("异常:" + XMLHttpRequest.reponseText + ";Status:" + textStatus);

                }

            });

        }

public void ProcessRequest(HttpContext context)

        {

            context.Response.ContentType = "text/plain";

            string message = string.Empty;

            string action = context.Request.Form["method"];

            string assemblyName = context.Request.Form["asm"];

            string className = context.Request.Form["className"];

            string param = context.Request.Form["form"];

            if (string.IsNullOrEmpty(action))

            {

                message = "调用方法不能为空!";<