Bug 177693 Support Date/Time data type in BIRT report engine.
Report engine needs to support new BIRT data type Date/Time. Please see attached for details.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/ReportParameterConverter.java
nf.applyPattern( format );
					}
					try
					{
						Number num = nf.parse( reportParameterValue );
	
						if ( num != null )
						{
							parameterValueObj = new BigDecimal( num.toString( ) );
						}
					}
					catch ( ParseException e )
					{
						nf.applyPattern( "General Number" );
						
						try
						{
							Number num = nf.parse( reportParameterValue );
	
							if ( num != null )
							{
								parameterValueObj = new BigDecimal( num.toString( ) );
							}
						}
						catch ( ParseException ex )
						{
							parameterValueObj = null;
						}
					}