public override bool Equals(object obj)
{
using (var db = new LibraryDBContainer())
{
var publication = obj as DbPublication;
return(db.DbPublicationSet1.Any(e => e.Name == publication.Name &&
e.DatePublished == publication.DatePublished &&
e.Publisher == publication.Publisher &&
e.PublicationType == publication.PublicationType &&
e.BookPublication == publication.BookPublication));
}
}
public override bool Equals(object obj)
{
var o = obj as DbReader;
using (var db = new LibraryDBContainer())
{
return(db.DbReaderSet.Any(d => d.Id == o.Id &&
d.First == o.First &&
d.Last == o.Last &&
d.Patronimic == o.Patronimic &&
d.Group == o.Group));
}
}
public override bool Equals(object obj)
{
var o = obj as DbAuthor;
using (var db = new LibraryDBContainer())
{
return(db.DbAuthorSet1.Any(d => d.Id == o.Id &&
d.First == o.First &&
d.Last == o.Last &&
d.Patronimic == o.Patronimic &&
d.WriterType == o.WriterType));
}
}
