Bug 136522 [Regression]DateTime parameter can't be drag to the layout
Steps to reproduce: 1.New a date time parameter 2.Drag it to the layout Actual result: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:2.1.0.N20060412-2230 Error Code:Error.PropertyValueException.CHOICE_NOT_FOUND Error Message:The choice value "dateTime" is not found.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
}
			return null;
		}
		protected ReportItemHandle getGroupContainer( Object target )
		{
			GroupHandle group = getGroupHandle( target );
			if ( group != null
					&& group.getContainer( ) instanceof ReportItemHandle )
				return (ReportItemHandle) group.getContainer( );
			return null;
		}
	}
	/**
	 * Creates a object to insert.
	 * 
	 * @param insertObj
	 *            object insert to layout
	 * @param target
	 *            insert target, like cell or ListBandProxy
	 * @param targetParent
	 *            insert target's non-dummy container, like table or list
	 * @return new object in layout
	 * @throws SemanticException
	 */
	public static DesignElementHandle performInsert( Object insertObj,
			Object target, Object targetParent ) throws SemanticException
	{
		Assert.isNotNull( insertObj );
		Assert.isNotNull( target );
		if ( insertObj instanceof DataSetHandle )