public void handleInsert(BOOK entity)
{
try
{
db.BOOKS.Add(entity);
db.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine("Error: \n" + e);
}
}
public void handleUpdate(BOOK entity)
{
var udObj = db.BOOKS.SingleOrDefault(x => x.ID == entity.ID);
udObj.IN_LIB = entity.IN_LIB;
udObj.OUT_LIB = entity.OUT_LIB;
udObj.NAME = entity.NAME;
udObj.PUBLISHER = entity.PUBLISHER;
udObj.AUTHOR = entity.AUTHOR;
udObj.CONTENT = entity.CONTENT;
udObj.COST = entity.COST;
udObj.COVER = entity.COVER != null ? entity.COVER : udObj.COVER;
db.SaveChanges();
}