c# - Integrating ASP.NET Identity to existing database -

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i'm new entity framework stuff, excuse me in advance.

i'm trying integrate asp.net identity project. i've got existing database, mapped , ready, , i'm using code first automatic migrations. i'm trying have identity store username, password , other fields , rest of information needs stored in table, called contact, need 1:1 connection identity table.

what i've tried far merging in 1 context, i've got is:

public partial class pmdb02context : identitydbcontext {     static pmdb02context()     {         database.setinitializer<pmdb02context>(null);     }      public pmdb02context()         : base("pmdb02context")     {     }      --- lots of dbsets ---      public dbset<applicationuser> applicationusers { get; set; }      protected override void onmodelcreating(dbmodelbuilder modelbuilder)     {         base.onmodelcreating(modelbuilder);          --- lots of mappings ---          modelbuilder.entity<identityuserlogin>().haskey<string>(l => l.userid);         modelbuilder.entity<identityrole>().haskey<string>(r => r.id);         modelbuilder.entity<identityuserrole>().haskey(r => new { r.roleid, r.userid });         modelbuilder.entity<applicationuser>().totable("identityusers", "dbo");         } }

when to:

var result = await usermanager.createasync(user, model.contactdata.password);

i receive this:

identityuser_logins_target: : multiplicity not valid in role 'identityuser_logins_target' in relationship 'identityuser_logins'. because dependent role refers key properties, upper bound of multiplicity of dependent role must '1'.  description: unhandled exception occurred during execution of current web request. please review stack trace more information error , originated in code.   exception details: system.data.entity.modelconfiguration.modelvalidationexception: 1 or more validation errors detected during model generation:

my applicationuser class looks this:

public class applicationuser : identityuser {     public int contactid { get; set; }     public bool? iscurrent { get; set; }      public virtual contact contact { get; set; }  }

so, need relation contact. problem, guess, in way i'm trying these things work @ all, i've been trying day yesterday , today well.

i'd appreciate help. thanks!

finally fixed issue yesterday. turns out main source of problem in line:

database.setinitializer<pmdb02context>(null);

when changed to:

database.setinitializer<pmdb02context>(new migratedatabasetolatestversion<pmdb02context, configuration>());

identity worked supposed to, added relationship contact usual.


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