public void AppendDetail(string tableName, string fieldName, string oldValue, string newValue) { LogDefDtl dtl = new LogDefDtl(); dtl.GUID32 = this.GUID32; dtl.TableName = tableName; dtl.FieldName = fieldName; dtl.OldValue = oldValue; dtl.NewValue = newValue; _Details.Add(dtl); }