Getting error after consuming a asmx webservice in Xamarin

Question

Hello Sir,

 

I'm getting below error after consuming the asmx Webservice in xamarin froms(cross platform)

 

Unhandled Exception:

System.Reflection.TargetInvocationException:

Please help me how to resolve this error

I have hosted the asmx webservice on godaddy account and using the same link while consuminng.

 

Below is the code,

private void BtnLogin_Clicked(object sender, EventArgs e)

{

ServiceReference1.WebService1SoapClient ws = new ServiceReference1.WebService1SoapClient();

ws.LoginAsync(usernameEntry.Text, PasswordEntry.Text);

ws.LoginCompleted += Ws_LoginCompleted;

}

private async void Ws_LoginCompleted(object sender, ServiceReference1.LoginCompletedEventArgs e)

{

try

{

if (e.Result.ValidUser)

await Navigation.PushAsync(new Page2());

else

await DisplayAlert("Error", "Username or password invalid", "Ok");

}

catch(Exception ex)

{

throw ex;

}

}

Please help 

Thanks