public IList<Core.Business.StaffExprience> GetAllStaffExprience() { IList<Core.Business.StaffExprience> staffExpriencelist = new List<Core.Business.StaffExprience>(); SqlServerUtility sql = new SqlServerUtility(); SqlDataReader reader = sql.ExecuteSqlReader(SqlGetAllStaffExprience); if(reader != null) { while(reader.Read()) { Core.Business.StaffExprience staffExprience = new Core.Business.StaffExprience(); if (!reader.IsDBNull(0)) staffExprience.Id = reader.GetInt32(0); if (!reader.IsDBNull(1)) staffExprience.Code = reader.GetString(1); if (!reader.IsDBNull(2)) staffExprience.Positon = reader.GetString(2); if (!reader.IsDBNull(3)) staffExprience.Title = reader.GetString(3); staffExprience.MarkOld(); staffExpriencelist.Add(staffExprience); } reader.Close(); } return staffExpriencelist; }