private void EditBook_Clicked(object sender, RoutedEventArgs e)
{
int number;
if (String.IsNullOrEmpty(TextBoxYear.Text) || String.IsNullOrEmpty(TextBoxAuthor.Text) || String.IsNullOrEmpty(TextBoxTitle.Text))
{
MessageBox.Show("non of fields can be empty");
}
else if ((!(Int32.TryParse(TextBoxYear.Text, out number))))
{
MessageBox.Show("The year must be integer");
}
else if (number < 10 || number > 3000)
{
MessageBox.Show("The age must be between 10 and 3000");
}
else
{
BindingExpression author = TextBoxAuthor.GetBindingExpression(TextBox.TextProperty);
BindingExpression title = TextBoxTitle.GetBindingExpression(TextBox.TextProperty);
BindingExpression year = TextBoxYear.GetBindingExpression(TextBox.TextProperty);
author.UpdateSource();
title.UpdateSource();
year.UpdateSource();
mainVM.BooksView.Refresh();
mainVM.UpdateYears();
this.Close();
}
}
