Bug 124597 Error message pop up which from length of JS-Expression is error
Details: Error message pop up which from length of JS-Expression is error Setp: 1.New a datasource and dataset contain "row["First"]" 2.Insert a table in layout and a data in details 3.Input "row["FIRST"].length" in data expression 4.Preview Actual result: "FIRST" is a error input words, but it can preview some words in table: org.eclipse.birt.data.engine.script.DataExceptionMocker@1502283 But it has not pop up some error message. Expection result: Pop up an error message
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
* @return save util used in report document GENERATION time
	 */
	private RDSaveUtil getRdSaveUtil( )
	{
		if ( this.rdSaveUtil == null )
		{
			rdSaveUtil = new RDSaveUtil( this.context,
					this.queryResults.getID( ),
					this.odiResult );
		}
		
		return this.rdSaveUtil;
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#getBoolean(org.eclipse.birt.data.engine.api.IBaseExpression)
	 */
	public Boolean getBoolean( IBaseExpression dataExpr ) throws BirtException
	{
		return DataTypeUtil.toBoolean( getValue( dataExpr ) );
	}
	/*
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#getInteger(org.eclipse.birt.data.engine.api.IBaseExpression)
	 */
	public Integer getInteger( IBaseExpression dataExpr ) throws BirtException
	{
		return DataTypeUtil.toInteger( getValue( dataExpr ) );
	}
	/*
	 * @see org.eclipse.birt.data.engine.api.IResultIterator#getDouble(org.eclipse.birt.data.engine.api.IBaseExpression)