Bug 166946 [regression]Format is added behind integer value in parameter dialog.[0705]
Description: Format is added behind integer value in parameter dialog. Build number:2.2.0.v20061206 Steps to reproduce: 1. New a report parameter, integer type, text-box, default value is 3, click Change button to change format as Fixed. 2. Preview Expected result: Display 3.00 as display text in parameter dialog. Actual result: Display 3Fixed. Error log:N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
return DataTypeUtil.toDate( value );
			}
			else if ( DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( type ) )
			{
				return DataTypeUtil.toBigDecimal( value );
			}
			else if ( DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( type ) )
			{
				return DataTypeUtil.toDouble( value );
			}
			else if ( DesignChoiceConstants.PARAM_TYPE_STRING.equals( type ) )
			{
				return DataTypeUtil.toString( value );
			}
			return value;
		}
		catch ( BirtException e )
		{
			log.log( Level.SEVERE, e.getLocalizedMessage( ), e );
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api2.IRunAndRenderTask#validateParameters()
	 */
	public boolean validateParameters( )
	{
		if (runnable == null)