How to fetch a data in sql lite and view in button format?

public String getData()
	{
		String[] columns= new String[]{COLUMN_ID, COLUMN_TDN, COLUMN_MK, COLUMN_HT};
		Cursor c= db.query(TABLE_ACCOUNT, columns, null, null, null, null, null);
		String result="";
		int iID=c.getColumnIndex(COLUMN_ID);
		int iACC= c.getColumnIndex(COLUMN_TDN);
		int iMK= c.getColumnIndex(COLUMN_MK);
		int iHT= c.getColumnIndex(COLUMN_HT);
		for(c.moveToFirst(); !c.isAfterLast(); c.moveToNext())
		{
			result = result +"id:"+c.getString(iID)
					+ " - tdn:"+c.getString(iACC)
					+ " - mk:"+c.getString(iMK)
					+ " - ht:"+c.getString(iHT)+"\n";
		}
		c.close();
		return result;
	}

Button.setText(getData);