private void BtnAddBook_Click(object sender, RoutedEventArgs e)
{
if (!Validation())
{
return;
}
Book book = new Book
{
Name = tbBookName.Text,
Author = tbAuthorName.Text,
CountNow = Convert.ToInt32(tbBookCount.Text),
Count = Convert.ToInt32(tbBookCount.Text),
Price = Convert.ToDecimal(tbPrice.Text)
};
dr.AddBooks(book);
FillDG();
ResetTextBox();
}