System.Data.DataTableReader.ValidateReader C# (CSharp) Метод

        private void ValidateReader()
        {
            if (ReaderIsInvalid)
            {
                throw ExceptionBuilder.InvalidDataTableReader(_currentDataTable.TableName);
            }

            if (IsSchemaChanged)
            {
                throw ExceptionBuilder.DataTableReaderSchemaIsInvalid(_currentDataTable.TableName); // may be we can use better error message!
            }
        }