linq到對象查詢以排除0

Question

我有一個Linq查詢，如下所示。

var DataSource = from m in product
                 select new { Class = m.Class, Id = (new Make(m.Id)).ProductName};

我實例化一個名為Make的類，並根據Id獲取ProductName 。 有些Id為0。有什么辦法可以排除所有為0的Id？

Answer 1

當然，只要這樣做：

var DataSource = from m in product
                 where m.Id != 0
                 select new
                 {
                     Class = m.Class,
                     Id = (new Make(m.Id)).ProductName
                 };

Answer 2

您正在尋找where子句：

where m.Id != 0

Answer 3

var DataSource = from m in product
                 where m.Id != 0
                 select new
                 {
                     Class = m.Class,
                     Id = (new Make(m.Id)).ProductName
                 };

Answer 4

嘗試這個：

var DataSource = from m in product
                               where m.Id != 0
                               select new { Class = m.Class, Id = (new Make(m.Id)).ProductName};