OBOUT - ASP.NET Super Form - Validate Custom DropDownListField

ASP.NET Super Form - Validate Custom DropDownListField

Order Details

Customer	Select a customer ...Select a customer ... Alfreds FutterkisteALFKI Antonio Moreno TaqueríaANATR Around the HornAROUT Berglunds snabbköpANTON Berglunds snabbköpBERGS Blauer See DelikatessenBLAUS Blondesddsl père et filsBLONP Bólido Comidas preparadasBOLID Bon app'BONAP Bottom-Dollar MarketsBOTTM B's BeveragesBSBEV Cactus Comidas para llevarCACTU Centro comercial MoctezumaCENTC Chop-suey ChineseCHOPS Comércio MineiroCOMMI Consolidated HoldingsCONSH Die Wandernde KuhWANDK Drachenblut DelikatessenDRACD Du monde entierDUMON Eastern ConnectionEASTC Ernst HandelERNSH Familia ArquibaldoFAMIA FISSA Fabrica Inter. Salchichas S.A.FISSA Folies gourmandesFOLIG Folk och fä HBFOLKO France restaurationFRANR Franchi S.p.A.FRANS FrankenversandFRANK Furia Bacalhau e Frutos do MarFURIB Galería del gastrónomoGALED Godos Cocina TípicaGODOS Gourmet LanchonetesGOURL Great Lakes Food MarketGREAL GROSELLA-RestauranteGROSR Hanari CarnesHANAR HILARION-AbastosHILAA Hungry Coyote Import StoreHUNGC Hungry Owl All-Night GrocersHUNGO Island TradingISLAT Königlich EssenKOENE La corne d'abondanceLACOR La maison d'AsieLAMAI Laughing Bacchus Wine CellarsLAUGB Lazy K Kountry StoreLAZYK Lehmanns MarktstandLEHMS Let's Stop N ShopLETSS LILA-SupermercadoLILAS LINO-DelicatesesLINOD Lonesome Pine RestaurantLONEP Magazzini Alimentari RiunitiMAGAA Maison DeweyMAISD Mère PaillardeMEREP Morgenstern GesundkostMORGK North/SouthNORTS Océano Atlántico Ltda.OCEAN Old World DelicatessenOLDWO Ottilies KäseladenOTTIK Paris spécialitésPARIS Pericles Comidas clásicasPERIC Piccolo und mehrPICCO Princesa Isabel VinhosPRINI Que DelíciaQUEDE Queen CozinhaQUEEN QUICK-StopQUICK Rancho grandeRANCH Rattlesnake Canyon GroceryRATTC Reggiani CaseificiREGGC Ricardo AdocicadosRICAR Richter SupermarktRICSU Romero y tomilloROMEY Santé GourmetSANTG Save-a-lot MarketsSAVEA Seven Seas ImportsSEVES Simons bistroSIMOB Spécialités du mondeSPECD Split Rail Beer & AleSPLIR Suprêmes délicesSUPRD The Big CheeseTHEBI The Cracker BoxTHECR Toms SpezialitätenTOMSP Tortuga RestauranteTORTU Tradição HipermercadosTRADH Trail's Head Gourmet ProvisionersTRAIH VaffeljernetVAFFE Victuailles en stockVICTE Vins et alcools ChevalierVINET Wartian HerkkuWARTH Wellington ImportadoraWELLI White Clover MarketsWHITC Wilman KalaWILMK Wolski ZajazdWOLZA
Country	Select a country ...Select a country ... ArgentinaArgentina AustriaAustria AustriazAustriaz BelgiumBelgium BrazilBrazil Brazil, MexicoBrazil, Mexico CanadaCanada DenmarkDenmark Denmark1Denmark1 ereterterereterter FinlandFinland FranceFrance FrancertrdfdsfFrancertrdfdsf GermanyGermany INDIAINDIA IrelandIreland ItalyItaly JOJOOJOJOO MexiMexi MexicoMexico NorwayNorway PolandPoland PortugalPortugal ppAppA SpainSpain SwedenSweden SwitzerlandSwitzerland UKUK USAUSA VenezuelaVenezuela ZCzsZCzs
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This example showcases the use of custom DropDownListField fields, for which we added extra items at runtime ("Select a customer ..." and "Select a country ..."). The Validators collection is used to set up a RequiredFieldValidator for both fields in such a way to detect when the users select one of the "Select ..." items and prevent them from saving the changes unless they select a correct item.

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