[英]Linq to SQL using group By, and order by count
這是mysql查詢:
SELECT count(PVersion), PVersion
FROM [Products].[dbo].[Active_Details]
group by PVersion
order by count(PVersion);
它的LINQ to SQL是什么。
嘗試這個:
var product =
from p in yourContext.Active_Details
group p by p.PVersion into pgroup
let count = pgroup.Count()
orderby count
select new { Count = count, PVersion = pgroup.Key };
SELECT count(ProductVersion), ProductVersion , ProductID , SubProductID
FROM [do-not-delete-accounts].[dbo].[Activation_Details]
group by ProductVersion,ProductID,SubProductID
order by count(ProductVersion);
var query =
from p in yourContext.Activation_Details
group p by new
{
ProductVersion = p.ProductVersion,
ProductID = p.ProductID,
SubProductID = p.SubProductID
}
into pgroup
let count = pgroup.Count()
orderby count
select new
{
Count = count,
ProductVersion = pgroup.Key.ProductVersion,
ProductID = pgroup.Key.ProductID,
SubProductID = pgroup.Key.SubProductID
};
應該是一組進入:
var product = (
from p in yourContext.Active_Details
group p by p.PVersion into pgroup
select new { VersionCount= pgroup.Count(), pgroup.Key }
).OrderBy(x=>x.VersionCount);
這是一個帶有示例的MSDN資源
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