public void Create(OpenIdConnectClient model)
 {
     if (model == null) throw new ArgumentNullException("model");
     var item = new OpenIdConnectClientEntity();
     model.UpdateEntity(item);
     using (var entities = IdentityServerConfigurationContext.Get())
     {
         entities.OpenIdConnectClients.Add(item);
         entities.SaveChanges();
     }
 }
 public void Update(OpenIdConnectClient model)
 {
     if (model == null) throw new ArgumentNullException("model");
     using (var entities = IdentityServerConfigurationContext.Get())
     {
         var item = entities.OpenIdConnectClients.Find(model.ClientId);
         if (item != null)
         {
             model.UpdateEntity(item);
             entities.SaveChanges();
         }
     }
 }