使用 LINQ 查询 MVC 视图中集合内的集合
我有一个“产品”和一个“福利”类，如下所示：
现在，我想从我的视图中查询产品集合。我创建了一个获取产品的 LINQ 查询，但我想获取属于该产品的优势集合。
我的视图中的代码（但这只是迭代每个产品，我需要迭代产品中的好处）：
<% foreach (var benefit in Model.Products.Where(x => x.ProductId == "123"))
{ %>
类：
public class Product
{
public string ProductId { get; set; }
public string ProductName { get; set; }
public string Description { get; set; }
public string Features { get; set; }
public List<Benefit> Benefits { get; set; }
public decimal Price { get; set; }
}
public class Benefit
{
public string Name { get; set; }
public string Value { get; set; }
}
I have a "Product" and a "Benefit" class which is shown below:
Now, I want to query a collection of products from within my view. I've created a LINQ query that gets the products but I want to get at the collection of benefits that belong within the product.
Code within my view (however this just iterates each product and I need to iterate the Benfits within the Product):
<% foreach (var benefit in Model.Products.Where(x => x.ProductId == "123"))
{ %>
Classes:
public class Product
{
public string ProductId { get; set; }
public string ProductName { get; set; }
public string Description { get; set; }
public string Features { get; set; }
public List<Benefit> Benefits { get; set; }
public decimal Price { get; set; }
}
public class Benefit
{
public string Name { get; set; }
public string Value { get; set; }
}
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Model.Products.Where(x => x.ProductId == "123").SelectMany(p=>p.Benefits)
Model.Products.Where(x => x.ProductId == "123").SelectMany(p=>p.Benefits)