public List <Models.BU.Module> GetModuleListOfTeacher(int userId)
{
Models.Database db = new Models.Database();
string query = "SELECT DISTINCT m.* FROM Module m, ModuleUser mu, UserAccount ua WHERE ua.UserId = mu.UserId AND mu.ModuleId = m.ModuleId AND ua.UserId = '" + userId + "'";
return(db.GetModuleListOfTeacher(query));
}