Bug 190727 [regression]Default value issue when switch report parameter from textbox to listbox.[0705]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
defaultValue = convertToStandardFormat( DataTypeUtil.toDate( defaultValue ) );
			}
			catch ( BirtException e )
			{
				ExceptionHandler.handle( e );
				return false;
			}
		}
		if ( inputParameter.getPropertyHandle( ScalarParameterHandle.LIST_LIMIT_PROP )
				.isSet( ) )
		{
			listLimit.setText( String.valueOf( inputParameter.getListlimit( ) ) );
		}
		isHidden.setSelection( inputParameter.isHidden( ) );
		
		
		isRequired.setSelection( inputParameter.isRequired( ) );
		doNotEcho.setSelection( inputParameter.isConcealValue( ) );
		
		changeDataType( );
		dataTypeChooser.setText( DATA_TYPE_CHOICE_SET.findChoice( inputParameter.getDataType( ) )
				.getDisplayName( ) );
		switchParamterType( );
		loading = false;
		return true;
	}
	private void initValueArea( )
	{
		String controlType = getSelectedControlType( );
		if ( isStatic( ) )