json primitive error with jquery and asp.net

Question

i am trying to run a send message from jquery ajax but getting following error

{"Message":"Invalid JSON primitive: .","StackTrace":"   at 
System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializePrimitiveObject()   at 
System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth) at  System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeDictionary(Int32 depth) at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth)\r\n   at System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String input, Int32 depthLimit, JavaScriptSerializer serializer)\r\n   at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer serializer, String input, Type type, Int32 depthLimit)\r\n   at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize[T](String input)\r\n   at System.Web.Script.Services.RestHandler.GetRawParamsFromPostRequest(HttpContext context, JavaScriptSerializer serializer)\r\n   at System.Web.Script.Services.RestHandler.GetRawParams(WebServiceMethodData methodData, HttpContext context)\r\n   at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context, WebServiceMethodData methodData)","ExceptionType":"System.ArgumentException"}

my jquery code :

function sendmessage(){
var project_id = $("#DropDownList1 option:selected").val();
var formstatus = $("#DropDownList4 option:selected").val();
var formcode = $('#FormCText').val();
var uniquecode = getunique();
var to = $('.showto').attr("id");
var cc = getcc();

if ($('#urgent').prop("checked"==true))
{
var d = new Date();
var duedate = d.getFullYear() + "/" + (d.getMonth()+1) + "/" + d.getDate();
var urg = 1;
}
else
{
var duedate=$('#datepicker').val();
var urg = 0;
}

if($('#readreceipt').prop("checked"==true))
{
var receipt = 1;
}
else{
var receipt = 0;
}
var fsub = $('#fsub').val();
var nicE = new nicEditors.findEditor('message');
var message = nicE.getContent();
alert("'project_id':'"+ project_id+"','formstatus':'"+ formstatus+"','formcode':'"+formcode+"','uniquecode':'"+ uniquecode+"','tor':'"+to+"','cc':'"+cc+"','duedate':'"+duedate+"','urg':'"+urg+"','receipt':'"+receipt+"','sub':'"+fsub+"','message':,'"+message+"'");

 $(document).timer = setTimeout(function () {
 alert("now sending values");
 $.ajax({
  type: "POST",
  url: "consoservice.asmx/sendmessage",
  data: "{'project_id':'" + project_id+ "','formstatus':'" + formstatus+ "','formcode':'" + formcode + "','uniquecode':'ghfg','tor':'"+to+"','cc':'"+cc+"','duedate':'"+duedate+"','urg':'"+urg+"','receipt':'"+receipt+"','fsub':'"+fsub+"','message':,'"+message+"'}",
  contentType: "application/json; charset=utf-8",
  dataType: "json",
  success: function(msg) {
  if (msg.d == "sent")
  {
 alert('message sent successfully for approval');
  }
  else{
  alert(msg.d);
  }
    // Do something interesting here.
  }
}); }, 100);
}

my service function code

  <System.Web.Services.WebMethod()> _
    <System.Web.Script.Services.ScriptMethod()> _
  Public Function sendmessage(ByVal project_id As String, ByVal formstatus As String, ByVal formcode As String, ByVal uniquecode As String, ByVal tor As String, ByVal cc As String, ByVal duedate As String, ByVal urg As String, ByVal receipt As String, ByVal fsub As String, ByVal message As String) As String

        MsgBox("reached")
        Dim ip As String = System.Web.HttpContext.Current.Request.UserHostAddress
        Dim usern As String = CookieUtil.GetEncryptedCookieValue("user_id")
        Dim returnvalue As String
        Dim ari As New moduleclass
        Dim i As Integer
        Try
            i = ari.InsertAp_module_message(usern, tor, formcode, cc, formstatus, duedate, receipt, urg, fsub, message, -1, uniquecode, 0, 0, DateTime.Now, ip, 0)
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try

        If i > 0 Then
            returnvalue = "sent"
        Else
            returnvalue = "not sent"
        End If

        Return returnvalue
    End Function

it was comma ',' lol ... thanks for answer

user1820110
– user1820110

2012-11-16 06:05:58 +00:00
Commented Nov 16, 2012 at 6:05 — user1820110
– user1820110, Commented Nov 16, 2012 at 6:05
i am glad that you got the error ..

Pranav
– Pranav

2012-11-16 06:08:26 +00:00
Commented Nov 16, 2012 at 6:08 — Pranav
– Pranav, Commented Nov 16, 2012 at 6:08

Pranav · Accepted Answer · 2012-11-16 06:04:29Z

4

The Exception thrown by system occurs only when the data you are sending is not in correct format, so double check the data before sending.

i think data which you are sending should be like this :-

Senddata={"project_id": project_id,"formstatus": formstatus,........};

and in ajax call :-

 $.ajax({
  type: "POST",
  url: "consoservice.asmx/sendmessage",
  data:  JSON.stringify(Senddata),
............
..............
});

edited Nov 16, 2012 at 6:04

answered Nov 16, 2012 at 5:56

Pranav

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