public List <int> GetSupplierUsersIds(int cityId)
{
UserQuery userQuery = new UserQuery(language);
System.Data.DataTable dataTable = conn_db.ReadTable(userQuery.GetSuppliersByCity(cityId));
List <int> users = new List <int>();
if (dataTable.Rows.Count == 0)
{
throw new EmptyViewException(language);
}
foreach (System.Data.DataRow row in dataTable.Rows)
{
int user = row["user_id"] is DBNull ? 0 : Convert.ToInt32(row["user_id"]);
users.Add(user);
}
return(users);
}
