/// <summary>
/// this function find to
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public string findTopicById(int id)
{
AppDatabase myDataBase = new AppDatabase();
if (myDataBase.GetTopic(id) != null)
{
return(myDataBase.GetTopic(id).Name);
}
else
{
return("");
}
}