Creating the Backend

Our button still not work right? Let's modify our backend.

public partial class CreatePage : ContentPage
{
    public CreatePage()
    {
    InitializeComponent();
    }

    public void OnSave(object o, EventArgs e)
    {

    }

    public void OnCancel(object o, EventArgs e)
    {

    }

    public void OnReview(object o, EventArgs e)
    {

    }
}