在SQL中你可以运行一个ISNULL(null,'')你如何在linq查询中执行此操作?
我加入了这个查询:
var hht = from x in db.HandheldAssets
join a in db.HandheldDevInfos on x.AssetID equals a.DevName into DevInfo
from aa in DevInfo.DefaultIfEmpty()
select new
{
AssetID = x.AssetID,
Status = xx.Online
};
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但是我有一个不可为空的位类型的列(xx.online)如果它为null,如何将其设置为false?