c# - MVC Repository Pattern - disposing multiple repositories? -

in application i'm trying apply repository pattern using this asp.net guide, without using generic repository , unit of work.

the thing concerns me disposing. @ moment, application disposes dbcontext using standard dispose() controller method:

librarycontext db = new librarycontext(); // ... // protected override void dispose(bool disposing) {     if (disposing)     {         db.dispose();     }     base.dispose(disposing); } 

but how dispose multiple repositories? example, i've got 3 of them: bookrepository, userrepository , collectionrepository. should dispose them in method, like:

protected override void dispose(bool disposing) {     if (disposing)     {         bookrepository.dispose();         userrepository.dispose();         collectionrepository.dispose();     }     base.dispose(disposing); } 

is correct approach? thank answers.

you can create base repository extended others. in ctor of base repository can initialize dbcontext class , when want dispose can call base.dispose. should this:

public class baserepository<t> t : baseentitywithid, new() {     //represent context of database.     public dbcontext mycontext { get; set; }      //represent virtual table of database.     protected idbset<t> dbset { get; set; }      //represents base constructor of base repository.     public baserepository()     {         this.mycontext = new context();         this.dbset = this.context.set<t>();     }      public iobjectcontextadapter getobjectcontextadapter()     {         return (iobjectcontextadapter)this.context;     }      public virtual void dispose()     {         if (this.context != null)         {             this.context.dispose();         }     } } 

if don't want create base repository 1 dispose() method should dispose them 1 1.