web services - How to Edit And Delete the Searched Data From JSON WebService Using Android -

i have searching data in listview webservice using json android, want modify , delete searched data. how put coding that? please me.

//  searching data webservice  , binding in listview  //   private class jsonparse extends asynctask<string, string, jsonobject> {     private progressdialog pdialog;     @override     protected void onpreexecute() {     super.onpreexecute();      datetime = (textview)findviewbyid(r.id.textview1);     status = (textview)findviewbyid(r.id.textview2);      jobno = (edittext) findviewbyid(r.id.add_jobno);       pdialog = new progressdialog(add_update_user.this);     pdialog.setmessage("processing please wait ...");     pdialog.setindeterminate(false);     pdialog.setcancelable(true);     pdialog.show();      }      @override     protected jsonobject doinbackground(string... args) {          jsonparser jparser = new jsonparser();         string flag="s" ;          arraylist<basicnamevaluepair> params = new arraylist<basicnamevaluepair>();         params.clear();               params.add(new basicnamevaluepair("jobno",jobno.gettext().tostring()));              params.add(new basicnamevaluepair("flag",flag));             //getting json url              jsonobject json = jparser.getjsonfromurl(url,params);             return json;      }      protected void onpostexecute(jsonobject json) {         pdialog.dismiss();           try {              if (jobno.gettext().tostring().equals("") )             {                 toast.maketext(add_update_user.this, "the field should not null", toast.length_short).show();                   }              else              {                 // getting json array url                     cargo = json.getjsonarray(tag_cargotrack);                     for(int = 0; < cargo.length(); i++){                     jsonobject c = cargo.getjsonobject(i);                        string jobno = c.getstring(tag_jobno);                     string status = c.getstring(tag_status);                     string datetime = c.getstring(tag_datetime);                      // adding value hashmap key => value                      hashmap<string, string> map = new hashmap<string, string>();                      map.put(tag_jobno, jobno);                     map.put(tag_status, status);                     map.put(tag_datetime, datetime);                      cargotracklist.add(map);                     list=(listview)findviewbyid(r.id.listview1);                     //simpleadapter adapter = new simpleadapter(add_update_user.this, cargotracklist,                     listadapter adapter = new simpleadapter(add_update_user.this, cargotracklist,                             r.layout.listview_row,                             new string[] { tag_jobno,tag_status, tag_datetime }, new int[] {                                     r.id.user_jobno_txt,r.id.user_status_txt, r.id.user_date_time_txt });                      list.setadapter(adapter);                     button1.setonclicklistener(new view.onclicklistener() {                         simpleadapter adapter;                         @override                          public void onclick(view view) {                             list.setadapter(null);                             cargotracklist.clear();                             if(adapter != null){                                 adapter.notifydatasetchanged();                                 }                            new jsonparse().execute();                          }                         });                    }                  }         } catch (exception e) {             toast.maketext(getapplicationcontext(), "not connected internet",toast.length_long).show();             e.printstacktrace();     }        } }