2011-10-13 5 views
1

je LINQ to SQL CodeLINQ to SQL - Groupe Par

var customerList = from cm in dc.ConsignmentMarginBreakdowns 
        join tm in dc.ConsignmentTripBreakdowns on new { Depot = cm.Depot, TripNumber = cm.TripNumber, TripDate = cm.TripDate } equals new { Depot = tm.Depot, TripNumber = tm.TripNumber, TripDate = tm.TripDate } 
        join sl in dc.SageAccounts on new { LegacyID = cm.Customer, Customer = true } equals new { LegacyID = sl.LegacyID, Customer = sl.Customer } 
        join ss in dc.SageAccounts on sl.ParentAccount equals ss.ID 
        where (tm.DeliveryDate >= dateRange1.FromDate && tm.DeliveryDate <= dateRange1.ToDate) || (dateRange2.FromDate != null && (tm.DeliveryDate >= dateRange2.FromDate && tm.DeliveryDate <= dateRange2.ToDate)) 
        where tm.Depot == depotLetter 
        group cm by new { ss.Name, ss.ID } into cmg 
        select new 
        { 
         CustomerID = cmg.Key.ID, 
         CustomerName = cmg.Key.Name, 
         Sales1 = cmg.Where(a => a.DeliveryDate >= dateRange1.FromDate && a.DeliveryDate <= dateRange1.ToDate).Sum(a => a.TripSalesTotal), 
         Sales2 = dateRange2.FromDate != null ? tmg.Where(a => a.DeliveryDate >= dateRange2.FromDate && a.DeliveryDate <= dateRange2.ToDate).Sum(a => a.TripSalesTotal) : 0.00m 
        }; 

suivant Le problème que j'ai est que le « DeliveryDate » de « tm » est pas dans le cadre de la requête quand je sélectionne. Des idées comment je peux obtenir cette valeur dans ma requête?

Merci

Répondre

1

Il suffit de créer un autre type anonyme

group new { cm, tm } by new { ss.Name, ss.ID } into cmg 

de sorte que votre requête ressemblerait à ceci:

var customerList = from cm in dc.ConsignmentMarginBreakdowns 
        join tm in dc.ConsignmentTripBreakdowns on new { Depot = cm.Depot, TripNumber = cm.TripNumber, TripDate = cm.TripDate } equals new { Depot = tm.Depot, TripNumber = tm.TripNumber, TripDate = tm.TripDate } 
        join sl in dc.SageAccounts on new { LegacyID = cm.Customer, Customer = true } equals new { LegacyID = sl.LegacyID, Customer = sl.Customer } 
        join ss in dc.SageAccounts on sl.ParentAccount equals ss.ID 
        where (tm.DeliveryDate >= dateRange1.FromDate && tm.DeliveryDate <= dateRange1.ToDate) || (dateRange2.FromDate != null && (tm.DeliveryDate >= dateRange2.FromDate && tm.DeliveryDate <= dateRange2.ToDate)) 
        where tm.Depot == depotLetter 
        group new { cm, tm } by new { ss.Name, ss.ID } into cmg 
        select new 
        { 
         CustomerID = cmg.Key.ID, 
         CustomerName = cmg.Key.Name, 
         Sales1 = cmg.Where(a => a.tm.DeliveryDate >= dateRange1.FromDate && a.tm.DeliveryDate <= dateRange1.ToDate).Sum(a => a.cm.TripSalesTotal), 
         Sales2 = dateRange2.FromDate != null ? tmg.Where(a => a.tm.DeliveryDate >= dateRange2.FromDate && a.tm.DeliveryDate <= dateRange2.ToDate).Sum(a => a.cm.TripSalesTotal) : 0.00m 
        };