How to Display the Particular field in edittext by id in sqlite

how to Display the particular field details in editext by giving id here i write code in database handler but i dont know what to do in MainActivity

My database Handler class

 public Cursor getData(int id){
    SQLiteDatabase db = this.getReadableDatabase();
    Cursor res =  db.rawQuery( "select * from student_details where ID="+id+"", null );
    return res;
}


MAinActivity
public void show()
{
    bshow.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
           Cursor res=myDB.getData();//i got an error Here and i dont know what to do

        }
    });
}