For relational data, if there is more data redundancy if you reflect with single layer data grid, and it is not seen what is the reason, so you need a multi-level GRID, after these two days of struggle Multgrid's demo finally completed, and I have already used the view module for the customer's system log. Legend: [View Demo] [Source Download] The above is just Demo, there is no time to make it into a component.
