I posted one before but haven’t updated it yet. I updated it today!
The interface looks better than before!
Newly added whether chekcbox exists,
The functions of all expansion and all collapse during initialization have been added. There will be time to add the function of dynamically adding and deleting nodes!!!!!!
That’s it for the navigation menu function.
Under DB is the Sql database file. After appending, modify the database connection information in DefaultTree.aspx.cs.
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