jquery Ajax Call Access WebService

jquery Code

The code is as follows	Copy Code
Jquery.ajax ({ Type: ' Post ', DataType: ' JSON ', Success:function (data) { Do something ... }, Error:function (Error) { Do something ... } });

WebService processing

[WebMethod]

The code is as follows

Copy Code

public string Hello () { Return JSON Method 1: Hand stitching Return "{" Test ":" Test-value "," Testing ":" Test-value "}"; Method 2: Serialization of JSON Introduction of System.Runtime.Serialization.Json.DataContractJsonSerializer Serializing into JSON using the WriteObject method Or use Newtonsoft.Json.dll's jsonconvert.serializeobject to deal with it. Method 3: Spit directly into the JSON string to the browser, do not need to return System.Web.HttpContext.Current.Response.Clear (); System.Web.HttpContext.Current.Response.ContentType = "Application/json"; System.Web.HttpContext.Current.Response.Expires = 0; System.Web.HttpContext.Current.Response.Cache.SetNoStore (); System.Web.HttpContext.Current.Response.Write (jsoncontent); System.Web.HttpContext.Current.Response.End (); }

This is achieved, but some friends say that the return of the XML data, later found the URL problem,

code is as follows	copy code
Page_Load ( Object sender, EventArgs e)     {        String method = Request.qu Erystring["Method"];        if ("Hello"). Equals (method))         {            //Copy the WebService method or directly call WebService        }        }