Dim Cozinhas as string = "1, 2, 3"
Dim FiltroCozinha() As String = Cozinhas.Split(",")
Dim Empresas = (From E In lstEmpresas _
Group Join CE In lstCozinhasEmpresas On CE.EmpresaID Equals E.EmpresaID Into CEJ = Group From CE In CEJ.DefaultIfEmpty() _
Group Join FC In lstFiltroCozinha On FC Equals CE.CozinhaID Into FCJ = Group From FC In FCJ.DefaultIfEmpty() _
Select New With {E.Nome} _
).Distinct.ToList
throws Exception "référence d'objet non définie à une instance d'un objet." ... mais si je retireLinq avec tableau
Group Join FC In lstFiltroCozinha On FC Equals CE.CozinhaID Into FCJ = Group From FC In FCJ.DefaultIfEmpty() _
Il fonctionne. Comment faire une jointure gauche avec le tableau "FiltroCozinha"?
http://www.developer.com/db/article.php/3739391/Implementing-a-Left- Join-with-LINQ.htm – queen3