C# linq include
//If you have a Customer model that contains a list of orders.
//You can include the orders like this
var customersWithOrders = _dbContext.Customers
.Include(c => c.Orders)
.ToList();
//Lets say those orders then contain products. You can include those like so:
var customersWithOrdersAndProducts = _dbContext.Customers
.Include(c => c.Orders)
.ThenInclude(o => o.Products)
.ToList();