C# - Retrieving the data from Web Service using(JSON Serialization)












0














Good day,



I'm trying to retrieve the data from my Web Service(.asmx),
But in the controller part I'm having this exception




"System.AggregateException - One or more errors occured"




Any ideas on how to fix this? thanks



TestService



[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
[System.Runtime.InteropServices.ComVisible(true)]
[Serializable]

public class TestService : System.Web.Services.WebService
{

Core connection = new Core();
DataTable dtUnits = new DataTable();
QServiceQuery query = new QServiceQuery();

[WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public string LoadInvoices()
{
dtUnits = connection.DataTable_return(query.LoadInvoices());

List<Invoice> list = new List<Invoice>();
Invoice inv = new Invoice();

//for (int i = 0; i < dtUnits.Rows.Count; i++)
//{
inv.transNo = dtUnits.Rows[0]["transNo"].ToString();

list.Add(inv);
//}
//JavaScriptSerializer js = new JavaScriptSerializer();
//Context.Response.Write(js.Serialize(list));
return new JavaScriptSerializer().Serialize(list);
}
}


TestController



        HttpClient client = new HttpClient();
client.BaseAddress = new Uri("http://localhost:9834/");
//client.DefaultRequestHeaders.Add("appkey", "myapp_key");
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));

HttpResponseMessage response = client.GetAsync("WebService/TestService.asmx/LoadInvoices").Result;
if (response.IsSuccessStatusCode)
{
try
{
var transNo = response.Content.ReadAsAsync<IEnumerable<Invoices>>().Result;
invoice.Add(new Invoices.Invoice() { transNo = transNo.ToString() });
listView.ItemsSource = invoice;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}

}
else
{
MessageBox.Show("Error Code " + response.StatusCode + " : Message - " + response.ReasonPhrase);
}
}


Inner Exception




Error in line 1 position 37. Expecting element 'ArrayOfInvoices' from
namespace 'http://schemas.datacontract.org/2004/07/TestController'..
Encountered 'Element' with name 'string', namespace
'http://tempuri.org/'




Exception Message
https://i.stack.imgur.com/mmfRf.png










share|improve this question





























    0














    Good day,



    I'm trying to retrieve the data from my Web Service(.asmx),
    But in the controller part I'm having this exception




    "System.AggregateException - One or more errors occured"




    Any ideas on how to fix this? thanks



    TestService



    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    [System.Runtime.InteropServices.ComVisible(true)]
    [Serializable]

    public class TestService : System.Web.Services.WebService
    {

    Core connection = new Core();
    DataTable dtUnits = new DataTable();
    QServiceQuery query = new QServiceQuery();

    [WebMethod]
    [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
    public string LoadInvoices()
    {
    dtUnits = connection.DataTable_return(query.LoadInvoices());

    List<Invoice> list = new List<Invoice>();
    Invoice inv = new Invoice();

    //for (int i = 0; i < dtUnits.Rows.Count; i++)
    //{
    inv.transNo = dtUnits.Rows[0]["transNo"].ToString();

    list.Add(inv);
    //}
    //JavaScriptSerializer js = new JavaScriptSerializer();
    //Context.Response.Write(js.Serialize(list));
    return new JavaScriptSerializer().Serialize(list);
    }
    }


    TestController



            HttpClient client = new HttpClient();
    client.BaseAddress = new Uri("http://localhost:9834/");
    //client.DefaultRequestHeaders.Add("appkey", "myapp_key");
    client.DefaultRequestHeaders.Accept.Add(
    new MediaTypeWithQualityHeaderValue("application/json"));

    HttpResponseMessage response = client.GetAsync("WebService/TestService.asmx/LoadInvoices").Result;
    if (response.IsSuccessStatusCode)
    {
    try
    {
    var transNo = response.Content.ReadAsAsync<IEnumerable<Invoices>>().Result;
    invoice.Add(new Invoices.Invoice() { transNo = transNo.ToString() });
    listView.ItemsSource = invoice;
    }
    catch (Exception ex)
    {
    MessageBox.Show(ex.ToString());
    }

    }
    else
    {
    MessageBox.Show("Error Code " + response.StatusCode + " : Message - " + response.ReasonPhrase);
    }
    }


    Inner Exception




    Error in line 1 position 37. Expecting element 'ArrayOfInvoices' from
    namespace 'http://schemas.datacontract.org/2004/07/TestController'..
    Encountered 'Element' with name 'string', namespace
    'http://tempuri.org/'




    Exception Message
    https://i.stack.imgur.com/mmfRf.png










    share|improve this question



























      0












      0








      0







      Good day,



      I'm trying to retrieve the data from my Web Service(.asmx),
      But in the controller part I'm having this exception




      "System.AggregateException - One or more errors occured"




      Any ideas on how to fix this? thanks



      TestService



      [WebService(Namespace = "http://tempuri.org/")]
      [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
      [System.ComponentModel.ToolboxItem(false)]
      [System.Runtime.InteropServices.ComVisible(true)]
      [Serializable]

      public class TestService : System.Web.Services.WebService
      {

      Core connection = new Core();
      DataTable dtUnits = new DataTable();
      QServiceQuery query = new QServiceQuery();

      [WebMethod]
      [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
      public string LoadInvoices()
      {
      dtUnits = connection.DataTable_return(query.LoadInvoices());

      List<Invoice> list = new List<Invoice>();
      Invoice inv = new Invoice();

      //for (int i = 0; i < dtUnits.Rows.Count; i++)
      //{
      inv.transNo = dtUnits.Rows[0]["transNo"].ToString();

      list.Add(inv);
      //}
      //JavaScriptSerializer js = new JavaScriptSerializer();
      //Context.Response.Write(js.Serialize(list));
      return new JavaScriptSerializer().Serialize(list);
      }
      }


      TestController



              HttpClient client = new HttpClient();
      client.BaseAddress = new Uri("http://localhost:9834/");
      //client.DefaultRequestHeaders.Add("appkey", "myapp_key");
      client.DefaultRequestHeaders.Accept.Add(
      new MediaTypeWithQualityHeaderValue("application/json"));

      HttpResponseMessage response = client.GetAsync("WebService/TestService.asmx/LoadInvoices").Result;
      if (response.IsSuccessStatusCode)
      {
      try
      {
      var transNo = response.Content.ReadAsAsync<IEnumerable<Invoices>>().Result;
      invoice.Add(new Invoices.Invoice() { transNo = transNo.ToString() });
      listView.ItemsSource = invoice;
      }
      catch (Exception ex)
      {
      MessageBox.Show(ex.ToString());
      }

      }
      else
      {
      MessageBox.Show("Error Code " + response.StatusCode + " : Message - " + response.ReasonPhrase);
      }
      }


      Inner Exception




      Error in line 1 position 37. Expecting element 'ArrayOfInvoices' from
      namespace 'http://schemas.datacontract.org/2004/07/TestController'..
      Encountered 'Element' with name 'string', namespace
      'http://tempuri.org/'




      Exception Message
      https://i.stack.imgur.com/mmfRf.png










      share|improve this question















      Good day,



      I'm trying to retrieve the data from my Web Service(.asmx),
      But in the controller part I'm having this exception




      "System.AggregateException - One or more errors occured"




      Any ideas on how to fix this? thanks



      TestService



      [WebService(Namespace = "http://tempuri.org/")]
      [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
      [System.ComponentModel.ToolboxItem(false)]
      [System.Runtime.InteropServices.ComVisible(true)]
      [Serializable]

      public class TestService : System.Web.Services.WebService
      {

      Core connection = new Core();
      DataTable dtUnits = new DataTable();
      QServiceQuery query = new QServiceQuery();

      [WebMethod]
      [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
      public string LoadInvoices()
      {
      dtUnits = connection.DataTable_return(query.LoadInvoices());

      List<Invoice> list = new List<Invoice>();
      Invoice inv = new Invoice();

      //for (int i = 0; i < dtUnits.Rows.Count; i++)
      //{
      inv.transNo = dtUnits.Rows[0]["transNo"].ToString();

      list.Add(inv);
      //}
      //JavaScriptSerializer js = new JavaScriptSerializer();
      //Context.Response.Write(js.Serialize(list));
      return new JavaScriptSerializer().Serialize(list);
      }
      }


      TestController



              HttpClient client = new HttpClient();
      client.BaseAddress = new Uri("http://localhost:9834/");
      //client.DefaultRequestHeaders.Add("appkey", "myapp_key");
      client.DefaultRequestHeaders.Accept.Add(
      new MediaTypeWithQualityHeaderValue("application/json"));

      HttpResponseMessage response = client.GetAsync("WebService/TestService.asmx/LoadInvoices").Result;
      if (response.IsSuccessStatusCode)
      {
      try
      {
      var transNo = response.Content.ReadAsAsync<IEnumerable<Invoices>>().Result;
      invoice.Add(new Invoices.Invoice() { transNo = transNo.ToString() });
      listView.ItemsSource = invoice;
      }
      catch (Exception ex)
      {
      MessageBox.Show(ex.ToString());
      }

      }
      else
      {
      MessageBox.Show("Error Code " + response.StatusCode + " : Message - " + response.ReasonPhrase);
      }
      }


      Inner Exception




      Error in line 1 position 37. Expecting element 'ArrayOfInvoices' from
      namespace 'http://schemas.datacontract.org/2004/07/TestController'..
      Encountered 'Element' with name 'string', namespace
      'http://tempuri.org/'




      Exception Message
      https://i.stack.imgur.com/mmfRf.png







      web-services asmx






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 12 '18 at 7:32









      Amin Mozhgani

      5941520




      5941520










      asked Nov 12 '18 at 5:16









      Bryan Alforte

      44




      44
























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