Bug 204229 [Automation][Regression]Exception is thrown when preview reportdesign in webviewer
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/document/util/ExprDataReader1.java
catch ( IOException e )
		{
			throw new DataException( ResourceConstants.RD_LOAD_ERROR,
					e,
					"Result Data" );
		}
		
		
		this.rowExprsRAIs = rowExprsRAIs;
		this.rowLenRAIs = rowLenRAIs;
		this.rowLenDis = new DataInputStream( rowLenRAIs );
		this.version = version;
		this.currReadIndex = 0;
		this.currRowIndex = -1;
		
		
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.impl.document.IExprResultReader#getRowCount()
	 */
	public int getCount( )
	{
		return this.rowCount;
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.impl.document.IExprResultReader#getRowId()
	 */
	public int getRowId( )