[英]Nested Anonymous Type in LINQ
我正在尝试使用LINQ构建自定义结果集。 目前,我有以下内容:
List<Team> teams = Team.FindAll();
List<Player> players = Player.FindAll();
var results = (from player in players
select new
{
PlayerId = player.Id,
PlayerName = player.Name,
Teams = teams.Where(t => player.TeamsIds.Contains(t.TeamId)).ToList()
});
我希望团队成为一种新的自定义类型。 我希望该类型有一个名为IsChecked,TeamId和TeamName的字段。 但是,每个团队目前只有TeamId和TeamName。 如何在此LINQ语句中添加IsChecked属性? 有没有办法嵌套“选择新”语句? 如果是这样,怎么样?
谢谢?
当然,只需将其添加为投影:
var results = (from player in players
select new
{
PlayerId = player.Id,
PlayerName = player.Name,
Teams = teams.Where(t => player.TeamsIds.Contains(t.TeamId))
.Select(t => new {
t.TeamId,
t.TeamName,
IsChecked = ???
}
.ToList()
});
或使用查询语法
var results = (from player in players
select new
{
PlayerId = player.Id,
PlayerName = player.Name,
Teams = (from t in teams
where player.TeamsIds.Contains(t.TeamId)
select new {
t.TeamId,
t.TeamName,
IsChecked = ???
}
).ToList()
});
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