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If you are looking for answer of the question how to get all checked nodes of jsTree, then you are at the right place. Often a scenario comes when user select some nodes and then based on some event like submit button to store the selection in the server. Then you want the list of checked node details to be sent to the server.

There could be different requirements of this kind, below are two kinds explained:

1. Get all checked node when tri-state is enabled, that is, parent node check, automatically checked child nodes.
2. Get all checked node with two states, that is, you can check parent node and child node independently.

When you tree data grows large and large enough that loading whole tree data is too much heavy and time consuming, then your best choice would be to use lazy load. Lazy loading means only immediate child nodes will be loaded on the fly whenever user clicks on a node that has children.

In this scenario, jsTree will perform the ajax requests as user browses the tree. Below example will depict lazy loading with jsTree and AJAX call. You can go through this example to understand how dynamically loads data with ajax call. In this example, an existing data source URL has been used from jsTree but you can use your own WebAPI or MVC url to get the data securely.

There are many ways you can clean up hard disk space from your PC or laptop. It is a very common problem when your laptop or PC goes out of space and behave weirdly. When your disk, especially your Operating System (OS) drive that C: drive is running out of space, then the symptom will appear as differently with your other works. Hence, first check your OS drive space if your email client is not responding, your computer's performance is degraded, starting of your laptop is taking too much time, your game play is lagging.

If you see that your OS drive space is less and you need to clear out some of your important files to get some more space, request to follow these steps before taking any action.

In general, any change which is required to mitigate any priority issue in production, is done directly in trunk at times. At same time, development team is continue to work in separate branches. Hence a time comes when any changes which is made directly in trunk is merged with branches to get it tested.

Below are the steps that can be followed if you want to merge trunk version of code into your branch.

Steps: