public Author(tbl_Author dbAuthor)
{
this.ID = dbAuthor.ID;
this.Name = dbAuthor.Name;
this.Birthdate = dbAuthor.Birthdate.Value;
this.Address = dbAuthor.Address;
}
public void Add()
{
LibraryDBDataContext db = new LibraryDBDataContext();
tbl_Author a = new tbl_Author();
a.Name = this.Name;
a.Address = this.Address;
a.Birthdate = this.Birthdate;
db.tbl_Authors.InsertOnSubmit(a);
db.SubmitChanges();
ID = a.ID;
}