public IEnumerable<Document> GetDocument(StaffInfo staff, DocumentState state) { IList<Core.Business.Document> documentlist = new List<Core.Business.Document>(); SqlServerUtility sql = new SqlServerUtility(); sql.AddParameter("@id", SqlDbType.Int, staff.Id); sql.AddParameter("@state", SqlDbType.Int, state.ToCode()); SqlDataReader reader = sql.ExecuteSqlReader(Sql_GetDocument); if (reader != null) { while (reader.Read()) { Core.Business.Document document = new Core.Business.Document(); if (!reader.IsDBNull(0)) document.Id = reader.GetInt64(0); if (!reader.IsDBNull(1)) document.Title = reader.GetString(1); if (!reader.IsDBNull(2)) document.SubTitle = reader.GetString(2); if (!reader.IsDBNull(3)) document.Content = reader.GetString(3); if (!reader.IsDBNull(4)) document.SendDate = reader.GetDateTime(4); if (!reader.IsDBNull(5)) document.State = reader.GetInt32(5); if (!reader.IsDBNull(6)) document.Secret = reader.GetInt32(6); if (!reader.IsDBNull(7)) document.Mergency = reader.GetInt32(7); if (!reader.IsDBNull(8)) document.DraftDate = reader.GetDateTime(8); if (!reader.IsDBNull(9)) document.Sender = reader.GetInt32(9); document.MarkOld(); documentlist.Add(document); } reader.Close(); } return documentlist.AsEnumerable(); }