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POPassing parameter to WebMethod with jQuery Ajax
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  1. POPassing parameter to WebMethod with jQuery Ajax
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    copied!<p>I have a simple web method and ajax call and continue to recieve an error that saying that it can't convert a string to an IDictionary object???</p> <p>Here is the ajax call:</p> <pre><code>var params = '{"ID":"' + rowid + '"}'; $.ajax({ url: 'EDI.asmx/GetPartnerDetails', type: "POST", contentType: "application/json; charset=utf-8", data: JSON.stringify(params), dataType: "json", //not json . let me try to parse success: function(msg, st) { . . . . </code></pre> <p>Here is the webMethod:</p> <pre><code>&lt;WebMethod()&gt; _ Public Function GetPartnerDetails(ByVal ID As String) As String 'Dim objParam As IDictionary = CType(JsonConvert.DeserializeObject(ID), IDictionary) 'Dim rowID As String = objParam("ID") Dim objController As New HealthComp.BLL.X12Partners.TradingPartnersController Dim objInfo As TradingPartnersInfo = objController.FetchByPartnerID(Int32.Parse(ID)) Return JsonConvert.SerializeObject(objInfo) End Function </code></pre> <p>Here is what I see from FireBug:</p> <p>Response Headers<br> Server: Microsoft-IIS/5.1<br> Date: Thu, 09 Apr 2009 21:43:59 GMT<br> jsonerror:true<br> Cache-Control:private<br> Content-Type:application/json; charset=utf-8<br> Content-Length:1331 </p> <p>POST: "{\"ID\":\"4\"}"</p> <p>RESPONSE: </p> <p>{"Message":"Cannot convert object of type \u0027System.String\u0027 to type \u0027System.Collections .Generic.IDictionary`2[System.String,System.Object]\u0027","StackTrace":" at System.Web.Script.Serialization .ObjectConverter.ConvertObjectToTypeInternal(Object o, Type type, JavaScriptSerializer serializer, Boolean throwOnError, Object&amp; convertedObject)\r\n at System.Web.Script.Serialization.ObjectConverter.ConvertObjectToTypeMain (Object o, Type type, JavaScriptSerializer serializer, Boolean throwOnError, Object&amp; convertedObject )\r\n at System.Web.Script.Serialization.ObjectConverter.ConvertObjectToType(Object o, Type type, 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.InvalidOperationException"}</p> <p>Anyone have any ideas about this? Thanks!!</p>
 

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