Multiple “order by” in LINQ（转载）

问：

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I have two tables, movies and categories, and I get an ordered list by categoryID first and then by Name.
The movie table has three columns, ID, Name, and CategoryID. The category table two has columns, ID, and Name.

I tried something like the following, but it didn't work.

var movies = _db.Movies.OrderBy( m => { m.CategoryID, m.Name })

答：

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This should work for you:

var movies = _db.Movies.OrderBy(c => c.Category).ThenBy(n => n.Name)

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