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PO"Invalid JSON primitive" in Ajax processing
 

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  1. PO"Invalid JSON primitive" in Ajax processing
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    <p>I am getting an error in an ajax call from jQuery.</p> <p>Here is my jQuery function:</p> <pre><code>function DeleteItem(RecordId, UId, XmlName, ItemType, UserProfileId) { var obj = { RecordId: RecordId, UserId: UId, UserProfileId: UserProfileId, ItemType: ItemType, FileName: XmlName }; var json = Sys.Serialization.JavaScriptSerializer.serialize(obj); $.ajax({ type: "POST", url: "EditUserProfile.aspx/DeleteRecord", data: json, contentType: "application/json; charset=utf-8", dataType: "json", async: true, cache: false, success: function(msg) { if (msg.d != null) { RefreshData(ItemType, msg.d); } }, error: function(XMLHttpRequest, textStatus, errorThrown) { alert("error occured during deleting"); } }); } </code></pre> <p>and this is my <code>WebMethod</code>:</p> <pre class="lang-cs prettyprint-override"><code>[WebMethod] public static string DeleteRecord(Int64 RecordId, Int64 UserId, Int64 UserProfileId, string ItemType, string FileName) { try { string FilePath = HttpContext.Current.Server.MapPath(FileName); XDocument xmldoc = XDocument.Load(FilePath); XElement Xelm = xmldoc.Element("UserProfile"); XElement parentElement = Xelm.XPathSelectElement(ItemType + "/Fields"); (from BO in parentElement.Descendants("Record") where BO.Element("Id").Attribute("value").Value == RecordId.ToString() select BO).Remove(); XDocument xdoc = XDocument.Parse(Xelm.ToString(), LoadOptions.PreserveWhitespace); xdoc.Save(FilePath); UserInfoHandler obj = new UserInfoHandler(); return obj.GetHTML(UserId, UserProfileId, FileName, ItemType, RecordId, Xelm).ToString(); } catch (Exception ex) { HandleException.LogError(ex, "EditUserProfile.aspx", "DeleteRecord"); } return "success"; } </code></pre> <p>Can anybody please tell me what's wrong in my code?</p> <p>I am getting this error:</p> <pre><code>{ "Message":"Invalid JSON primitive: RecordId.", "StackTrace":" at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializePrimitiveObject() at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth) at System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String input, Int32 depthLimit, JavaScriptSerializer serializer) at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer serializer, String input, Type type, Int32 depthLimit) at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize[T](String input) at System.Web.Script.Services.RestHandler.GetRawParamsFromPostRequest(HttpContext context, JavaScriptSerializer serializer) at System.Web.Script.Services.RestHandler.GetRawParams(WebServiceMethodData methodData, HttpContext context) at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context, WebServiceMethodData methodData)", "ExceptionType":"System.ArgumentException" } </code></pre>
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    1. COWhat I don't understand is. The javascript is about AddAlbumToMyProfile while the WebMethod is called DeleteRecord. Are you sure you show us the right code pieces?
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    2. COAny chance you can also capture what the POST looks like (using firebug or whatnot) and add it to the question? I'm not sure if it's the way you're encoding the data before sending it, but you could also try serializing it using this( http://www.json.org/json2.js ).
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