IDataReader Leave feedback

All Implemented Interfaces: com.groupdocs.assembly.system.data.IDataRecord

public interface IDataReader extends IDataRecord

Provides a means of reading one or more forward-only streams of result sets obtained by executing a command at a data source, and is implemented by .NET Framework data providers that access relational databases.

public abstract boolean read()

Advances the IDataReader to the next record.

Returns: boolean - true if there are more rows; otherwise, false.

public abstract int getDepth()

Gets a value indicating the depth of nesting for the current row.

Returns: int - The level of nesting.

public abstract boolean isClosed()

Gets a value indicating whether the data reader is closed.

Returns: boolean - true if the data reader is closed; otherwise, false.

public abstract int getRecordsAffected()

Gets the number of rows changed, inserted, or deleted by execution of the SQL statement.

Returns: int - The number of rows changed, inserted, or deleted; 0 if no rows were affected or the statement failed; and -1 for SELECT statements.

public abstract void close()

Closes the IDataReader Object.

public abstract DataTable getSchemaTable()

Returns a DataTable that describes the column metadata of the IDataReader.

Returns: DataTable - A DataTable that describes the column metadata.

public abstract boolean nextResult()

Advances the data reader to the next result, when reading the results of batch SQL statements.

Returns: boolean - true if there are more rows; otherwise, false.