public void Insert(T entity)
{
try
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
XiaoDbContext db = new XiaoDbContext();
db.Set <T>().Add(entity);
db.SaveChanges();
}
catch (System.Exception)
{
throw;
}
}
public T GetById(object id)
{
XiaoDbContext db = new XiaoDbContext();
return(db.Set <T>().Find(id));
}