c# - Using .sqlite3 file to create a database on Windows Phone 8 -

i've been trying out sqlite on windows phone using tutorial base http://code.msdn.microsoft.com/wpapps/using-sqlite-with-wp8-52c3c671 , in it, database created in app.xaml this

string dbpath = path.combine(     windows.storage.applicationdata.current.localfolder.path,     "db.sqlite");  if (!fileexists("db.sqlite").result)  {      using (var db = new sqliteconnection(dbpath))      {          db.createtable<person>();      }  }  private async task<bool> fileexists(string filename)  {      var result = false;      try      {          var store = await windows             .storage.applicationdata.current.localfolder             .getfileasync(filename);          result =true;      }      catch { }     return result;  } 

i have database.sqlite3 file database created, , added project on assets folder. how can use file create database on windows phone app ?

add database.sqlite3 in solution. , make sure database.sqlite3 build action property set 'content'. below code lot use created database file in wp8 apps.

string dbpath = getdbpath(dbfilename);

edits

private async string getdbpath( string filename)   {    if (await doesfileexistasync(filename))       {        // file exists;        string  dbpath = path.combine(windows.storage.applicationdata.current.localfolder.path,         filename);      }    else       {       // file not exist        storagefile databasefile = await package.current.installedlocation.getfileasync(filename);       await databasefile.copyasync(applicationdata.current.localfolder); string  dbpath=path.combine(windows.storage.applicationdata.current.localfolder.path, filename);       } }  private async task<bool> doesfileexistasync(string filename)    {      try       {        await applicationdata.current.localfolder.getfileasync(filename);         return true;        }      catch      {       return false;      }   }