public static string[] GetMyStores(string username) { aUser temp = getUser(username); if (temp == null) { return(null); } var list = temp.GetAllPermissions(); if (list != null) { string[] persmissions = new string[list.Count]; int i = 0; foreach (string type in list.Keys) { persmissions[i] = type; i++; } return(persmissions); } return(null); }