In virtual mode, the Tree Grid is created on demand. In this case, Child records are created and initialized when the parent record is expanded. TypeScript example.
Task
Person Name
Duration
HousewaresAndrew Burke3 hours
Paint wallPeter Peterson2 hours
GroceriesMartin Saylor8 hours
GroceriesElio Burke10 hours
Clean kitchenLars Saylor2 hours
Clean kitchenElio Winkler5 hours
Paint bedroomMichael Vileid5 hours
Fix front doorMayumi Ohno6 hours
Office suppliesRegina Davolio8 hours
Office suppliesIan Davolio1 hour
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