asp.net mvc - Exclude some child members from getting validated -


to register new members have viewmodel named userregistermodel. model gets 2 kind of address user, homeaddress required , workaddress optional. addresses use complex type named contactentrymodel. decorated contactentrymodel members [required] attribute cause both home , work address validated automatically.

i'm searching solution mark workaddress ignored or excluded , telling validatation engine stop validating workaddress child properties though decorated validation attributes.

public class userregistermodel     {         [stringlength(50), required]         public string firstname { get; set; }         [stringlength(50), required]         public string lastname { get; set; }         [stringlength(10), required]         public string idcardno { get; set; }         [stringlength(100), email]         public string email { get; set; }          public contactentrymodel homecontact { get; set; }  //required          public contactentrymodel workcontact { get; set; }  //optional      }      public class contactentrymodel     {         [maxlength(4), required]         public string telprefix { get; set; }         [maxlength(10), required]         public string tel { get; set; }         [maxlength(50), required]         public string province { get; set; }         [maxlength(50), required]         public string city { get; set; }         [maxlength(300), required]         public string addressline { get; set; }         [maxlength(20)]         public string postalcode { get; set; }     }

the best way create custom view model decorated appropriately situation.

another version tell model binder ignore fields (this skips validation). can using bind attribute:

[bind(exclude="workaddress")] public actionresult dosomething(userregistermodel model) {     //controller code here }

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