Switch Expression di SSRS Repoert Axapta

contoh expresiion switch :
=Switch(First(Fields!InventSiteId.Value, "VendInvTransTmpDS") = "DMP", "Tekasire - Dompu",First(Fields!InventSiteId.Value, "VendInvTransTmpDS") = "SBW", "Sumbawa Besar", First(Fields!InventSiteId.Value, "VendInvTransTmpDS") = "HQ", "Gresik Jawa Timur 61176", First(Fields!InventSiteId.Value, "VendInvTransTmpDS") = "SMK", "Gresik Jawa Timur 61176")