c# - Database initializer does not work -

i need create database data loaded. doesn't return error, not workinkg. database created empty. think problem in appconfig

context:

namespace domain.dal {     public class landingcontext : dbcontext     {         public landingcontext() : base(properties.settings.default.constring)         {         database.setinitializer<landingcontext>(new createdatabaseifnotexists<landingcontext>());         database.initialize(true);         }      public dbset<package> packages { get; set; }     public dbset<absproduct> products { get; set; }     } } 

initializer:

namespace domain.dal {     public class landinginitializer : createdatabaseifnotexists<landingcontext>     {         protected override void seed(landingcontext context)         {             car kangoo = new car(100, 2, "kangoo");             context.products.add(kangoo);             context.savechanges();              base.seed(context);         }      } } 

and appconfig:

<?xml version="1.0" encoding="utf-8"?> <configuration>   <configsections>     <!-- more information on entity framework configuration, visit http://go.microsoft.com/fwlink/?linkid=237468 -->     <section name="entityframework" type="system.data.entity.internal.configfile.entityframeworksection, entityframework, version=6.0.0.0, culture=neutral, publickeytoken=b77a5c561934e089" requirepermission="false" />   </configsections>   <connectionstrings>     <add name="domain.properties.settings.constring" connectionstring="data source=enzo-pc;initial catalog=glb-landing;integrated security=true" providername="system.data.sqlclient" />   </connectionstrings>   <startup>     <supportedruntime version="v4.0" sku=".netframework,version=v4.5.2" />   </startup>   <entityframework>     <defaultconnectionfactory type="system.data.entity.infrastructure.localdbconnectionfactory, entityframework">       <parameters>         <parameter value="mssqllocaldb" />       </parameters>     </defaultconnectionfactory>     <providers>       <provider invariantname="system.data.sqlclient" type="system.data.entity.sqlserver.sqlproviderservices, entityframework.sqlserver" />     </providers>   </entityframework>   <contexts>     <context type=" dal.landingcontext, domain">       <databaseinitializer type="dal.landinginitializer, domain" />     </context>   </contexts> </configuration> 

i reeplace

    database.setinitializer<landingcontext>(new createdatabaseifnotexists<landingcontext>()); 

for:

    database.setinitializer<landingcontext>(new landinginitializer()); 

and work...