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;
	}
	/**
	 * Creates a object, "Add" operation to layout needs to handle later.
	 * <p>
	 * Must make sure operation legal before execution.
	 * </p>
	 * 
	 * @param insertObj
	 *            object insert to layout
	 * @param editPart
	 *            target EditPart
	 * @return new object in layout
	 * @throws SemanticException
	 */
	public static DesignElementHandle performInsert( Object insertObj,
			EditPart editPart ) throws SemanticException
	{
		Assert.isNotNull( insertObj );
		Assert.isNotNull( editPart );
		return performInsert( insertObj,
				editPart.getModel( ),
				editPart.getParent( ).getModel( ) );
	}
	/**
	 * Creates multiple objects
	 * 
	 * @param array
	 *            multiple creation source
	 * @param target