c# - Entity Framework Object Context per request in ASP.NET? -


is considered practice use single objectcontext per request? read these objects should short lived , not extremely costly instantiate make case appealing 1 of them per request? if yes, there patterns implement this?

yes accepted approach have objectcontext/dbcontext lifetimes per httprequest. here's sample have provided in answer.

hoewever, it's better leave these lifetime managements ioc library. famous ones castle windsor, autofac.

update:
dispose context, can use application_endrequest method in global.asax. following code not tested you'll idea: 

protected virtual void application_endrequest() {     var key = "mydb_" + httpcontext.current.gethashcode().tostring("x")                       + thread.currentcontext.contextid.tostring();     var context = httpcontext.current.items[key] mydbcontext;      if (context != null)     {         context.dispose();     } }

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