A validation callback ensures that when the property is set, its value is greater than or equal to 1. The default value of this property is 6 device-independent units. A validation callback ensures that when the property is set, its value is greater than or equal to 0. The Grid class defines the following properties: For displaying tabular data, consider using a ListView, CollectionView, or TableView. Unlike HTML tables, a Grid is intended for laying out content.
The Grid layout should not be confused with tables, and is not intended to present tabular data. In addition, a Grid can be used as a parent layout that contains other child layouts. By default, a Grid contains one row and one column.
The Grid is a layout that organizes its children into rows and columns, which can have proportional or absolute sizes.
