title: Partial Declaration must not specify different Base Classes
body: <p>I repeatedly get this Error Message:Partial Declaration must not specify different Base Classes. Can somebody tell me what may be the cause of this. Here's my code.</p>
  
  <p>CashAdvancePage.xaml</p>
  
  <pre><code>    &lt;?xml version="1.0" encoding="utf-8" ?&gt;
  &lt;ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
               xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
               x:Class="ebmsMobile.CashAdvancePage"
               Title="Cash Advance"
               BackgroundImage="bg3.jpg"&gt;
    &lt;Label Text="This is the Cash Advance Page." VerticalOptions="Center" HorizontalOptions="Center" /&gt;
  &lt;/ContentPage&gt;
  </code></pre>
  
  <p>CashAdvancePage.xaml.cs</p>
  
  <pre><code> using System;
      using System.Collections.Generic;
      using System.Linq;
      using System.Text;
      using System.Threading.Tasks;
  
  using Xamarin.Forms;
  
  namespace ebmsMobile
  {
      public partial class CashAdvancePage : ViewCell
      {
          public CashAdvancePage()
          {
              //InitializeComponent();
              //NavigationPage.SetHasNavigationBar(this, false);
  
              var image = new Image
              {
                  HorizontalOptions = LayoutOptions.Start
              };
              image.SetBinding(Image.SourceProperty, new Binding("ImageUri"));
              image.WidthRequest = image.HeightRequest = 40;
  
              var nameLayout = CreateNameLayout();
              var viewLayout = new StackLayout()
              {
                  Orientation = StackOrientation.Horizontal,
                  Children = { image, nameLayout }
              };
              View = viewLayout;
  
  
          }
  
          static StackLayout CreateNameLayout()
      {
          var nameLabel = new Label
          {
              HorizontalOptions= LayoutOptions.FillAndExpand
          };
          nameLabel.SetBinding(Label.TextProperty, "DisplayName");
  
          var twitterLabel = new Label
          {
             HorizontalOptions = LayoutOptions.FillAndExpand,
             Font = Fonts.Twitter
          };
          twitterLabel.SetBinding(Label.TextProperty, "Twitter");
  
          var nameLayout = new StackLayout()
          {
             HorizontalOptions = LayoutOptions.StartAndExpand,
             Orientation = StackOrientation.Vertical,
             Children = { nameLabel, twitterLabel }
          };
          return nameLayout;
      }
      }
  }
  </code></pre>