asp.net mvc - Implement Dependency injection in MVC (Webservices) -

in project, iám calling code repository mvc controllers. repository have function work exchange server, echange managed api.

now, want implement dependency injection in project.

i can not figure out in code must modified call repository dependency injection

can ?

her repository:

  public class exchangeews : iexchangeews {                 public list<datetime> getavaliablebookingdays(exchangeservice service, list<advisor> advisors, datetime startdate, datetime enddate, int num_appt)             {                  list<datetime> avaliablebookingdays = new list<datetime>();                   foreach (advisor adobj in advisors)                 {                     // user's calendar folder                      calendarfolder calendar = calendarfolder.bind(service, new folderid(wellknownfoldername.calendar, adobj.emailaddress), new propertyset());                      //  appointments retrieve.(calendarview return recurring appointment)                     calendarview cview = new calendarview(startdate, enddate, num_appt);                      //  def properties returned                     cview.propertyset = new propertyset(appointmentschema.start, appointmentschema.isrecurring, appointmentschema.legacyfreebusystatus, appointmentschema.subject, appointmentschema.appointmenttype);                       finditemsresults<appointment> appointments = calendar.findappointments(cview);                      if (appointments.count() > 0)                     {                         avaliablebookingdays.addrange((from appobj in appointments                                                        (appobj.appointmenttype == appointmenttype.occurrence || appobj.appointmenttype == appointmenttype.exception) && appobj.legacyfreebusystatus == legacyfreebusystatus.free && appobj.subject.tolower().contains("kwodkowdkowdow")                                                        select appobj.start).tolist());                     }                 }                   list<datetime> distinctdates = avaliablebookingdays                                                .groupby(day => day.date)                                                .select(g => g.first())                                                .tolist();                  return distinctdates;             }     } 

here controller:

         public class homecontroller : controller         {                   public actionresult service()             {  list<advisor> adv = new list<advisor>() { new advisor { id = 1, location = "london", emailaddress = "dwded@dd.dk", name = "loppe" } };                  exchangeservice service= exchangeews.getexchangeconnection("xxxx@jj.com", password);                  exchangeews x = new exchangeews();                     x.getavaliablebookingdays(service, adv, datetime.now, datetime.now.adddays(45), 20);                   return view();             }