Trouble in retrieving data from SQLite database(Android Studio) -


i not able retrieve data following code::

the app getting strucked @ fetching block. application running upto fetch block when enters fetch block not responding , emulator not responding after pressing "submit" button.

public void submitbuttonclicked(view view) {       eventname= (edittext) findviewbyid(r.id.eventname);     eventdate= (edittext) findviewbyid(r.id.eventdate);     sumbitbutton= (button) findviewbyid(r.id.submit);      system.out.println("taken data!");     string ename= eventname.gettext().tostring();     string edate= eventdate.gettext().tostring();     string dbstring;     dbadapter = new dbadapter(this);     dbadapter.open();      try {         dbadapter.createevent(ename, edate);     }     catch (sqlexception e) {         toast.maketext(membersactivity.this, "some problem occurred",                 toast.length_long).show();      }     system.out.println("written data table!");     setcontentview(r.layout.event);     system.out.println("with event file!");      //fetch block starts here     try {         dbstring = dbadapter.databasetostring();         system.out.println("fetched data!");         mytext.settext(dbstring);         mytext.settext(" ");      }     catch (exception e){         system.out.println("problem in fetching data!");         e.printstacktrace();     }  }

the function databasetostring in below ::

//print out database string public string databasetostring() {     string dbstring="";     mdbhelper = new dbhelper(mctx);     sqlitedatabase db = mdbhelper.getreadabledatabase();     string query="select * events 1";      //cursor point location in results     cursor c = db.rawquery(query,null);      //move first row in results     c.movetofirst();      while(!c.isafterlast()){         if(c.getstring(c.getcolumnindex("eventname"))!= null){             dbstring+=c.getstring(c.getcolumnindex("eventname"));             //dbstring+=c.getstring(c.getcolumnindex("eventdate"));              dbstring+="\n";          }     }     db.close();     return dbstring; }


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