public String GetInventory(Browser browser) { //WebClient webclient = new WebClient(); //Uri uristring = null; ////Please replace your webservice url here //uristring = new Uri("https://adiglobal.us/_vti_bin/requests.asmx/InventoryRingPuddle "); //httpClient.Headers["ContentType"] = "application/json"; //httpClient.Headers["Content-Type"] = "application/json"; ////webclient.Headers["Cookie"] = "ASP.NET_SessionId=4pxkjsbzk5agicfkkfabic55"; //string JsonStringParams = "{'productId':'BS-BEPHOC'}"; //webclient.UploadStringCompleted += wc_UploadStringCompleted; ////Post data like this //webclient.UploadStringAsync(uristring, "POST", JsonStringParams); String Url = "https://adiglobal.us/_vti_bin/requests.asmx/InventoryRingPuddle"; NameValueCollection parameters = new NameValueCollection(); parameters.Add("productId", "BS-BEPHOC"); String responseJson = browser.AjaxPost(Url, parameters); return responseJson; }